Acronym Dicitonary And Glossary ACS Universal Remote WG
User Manual: ACS Universal Remote WG
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Acronym Dictionary and Glossary CSR ACRONYM DEFINITIONS CSR Acronym Definitions A-D CSR Acronym Defintions E-H CSR Acronym Definitions I-M CSR Acronym Definitions N-R http://www.csrstds.com/acro-a-d.htm. http://www.csrstds.com/acro-e-h.htm. http://www.csrstds.com/acro-i-m.htm. http://www.csrstds.com/acro-n-r.htm. Acronym Definitions last updated November 26, 2001. If you have changes or corrections, please e-mail them to firstname.lastname@example.org. Thank you. Communications Standards Review e-mail: email@example.com SSEC Acronyms List SSEC Acronyms List http://www.ssec.wisc.edu/pubs/acronyms.htm. Updated 17 December 2001 by the SSEC Webmaster. (current December 2001) ANSI ASC X12N - Acronym Dictionary OCTOBER 1997 ASC X12N ACRONYM DICTIONARY ASC X12N ACRONYM DICTIONARY Acronym Dictionary http://www.wpc-edi.com/AcronymDictionary/Index.html http://www.wpc-edi.com/AcronymDictionary/Dictionary.html http://www.wpc-edi.com/AcronymDictionary/Dictionary.htm. Dictionary A List of Xcellweb Features plus a collection of Internet expressions Xcellweb Services/Dictionary Sales@xcellweb.com (503) 968-4307 http://www.xcellweb.com/html/dictionary.htm. MAD The MIPS Acronym Dictionary Don't get even, get MAD! firstname.lastname@example.org Sunday, October 28, 2001 Leviton Manufacturing Co., Inc. © Copyright 1998 www.levitontelcom.com • e-mail: email@example.com Newton’s Telecom Dictionary BABEL: A LISTING OF COMPUTER ORIENTED ABBREVIATIONS AND ACRONYMS Date Updated: 10/20/93 Version 93C Copyright (c) 1989-1993 Irving Kind All Rights Reserved Irving Kind Internet: firstname.lastname@example.org c/o K &D MCIMail: 545-3562 One Church Lane Baltimore, MD 21208 Sep 1993 version = BABEL93C Sep 1994 version = BABEL94C CSGNetwork's Online Computer, Telephony & Electronics Reference Computer Support Group & CSGNetwork.Com Online Computer, Telephony and Electronics Glossary and Dictionary wysiwyg://79/http://www.csgnetwork.com/glossaryp.htm. This Page Last Downloaded or Refreshed: Thursday, January 01, 1970 00:00:00 AFRL Acronym Dictionary http://www.afrl.af.mil/dictionary.htm. For questions regarding information on this page please contact email@example.com, AFRL/XPTC, 937-255-0785, DSN 785-0785 AFRL Acronym Dictionary http://www.afrl.af.mil/dictionary.htm ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ CSR ACRONYM DEFINITIONS 1-1SDoC One Standard-One Test, Supplier¹s Declaration of Conformity 2B1Q 2 Binary 1 Quaternary 3GPP Third Generation Partnership Project (ETSI) 3WC Three Way Call -AA/D Analog to Digital A&T Architecture & Transport (DSL Forum Committee, formerly ATM) A/TT Analog Tie Trunk (TIA-646-B) AAA Authentication, Authorization and Accounting AAC Advanced Audio Coding AACCH Auxiliary Analog Control Channel AAL ATM Adaptation Layer AAL(D) Analog PSTN Access Line (Analog PBX Interface, TIA-646-B) AAL5-CU ATM Adaptation Layer 5 Composite User AAP Alternative Approval Procedures AASO Advanced Audio Server Override (package) AASS Advanced Audio Server Set (package) AAU Advanced Audio Package AAV Authentication Algorithm Version ABAC Aggregate Bearer Admission Control AbC Approval by Correspondence ABM Aggregate Bearer Measurement ABNF Augmented Backus-Naur Form ABR Average Bit Rate ABT Adaptive Block Transform AC Advisory Circular AC Alternating Current AC Authentication Center AC Auto Configuration (DSL Forum) AC Automatic Callback ACA Adaptive Channel Allocation ACBO Automatic Cross Band Operation ACC Analog Control Channel ACCH Associated Control Channel ACD Automatic Call Distribution ACE Advanced Coding Efficiency ACELP Adaptive CELP ACF Authentication Control Function ACG Automatic Code Gapping ACIL Association of Independent Scientific, Engineering and Testing Firms ACK Acknowledgment ACKS Acknowledgments ACM Address Complete Message ACOS IEC Advisory Committee on Safety ACR Absolute Category Rating ACR Alternate Carrier Routing ACR Anonymous Call Rejection ACRE Authorization and Call Routing Equipment ACS Automatic Configuration Service ACSB Amplitude Companded Single Side Band ACSE Association Control Service Element ACT Activation ACTA Administrative Council for Terminal Attachment (T1 and TIA) ACTE Approvals Committee for Terminal Equipment ACTS Advanced Communications Technology Satellite AD Administrative Domain ADA Americans with Disabilities Act ADAAG ADA Accessibility Guidelines AD-BES Administrative Back-End Services ADC Analog to Digital Converter ADDS Application Data Delivery Service ADHAG Ad Hoc Authentication Group (TR-45.2) ADI Analog Devices Inc. ADL ADSL without underlying POTS or ISDN ADL All Digital Loop ADL Automatic Determination of Location ADLC Asynchronous Data Link Control ADLG Automatic Determination of Location and Guidance ADLNB Association of Designated Laboratories and Notified Bodies (European) ADP Answer Detection Pattern ADPCM Adaptive Differential PCM ADS Asynchronous Data ADSI Analog Display Services Interface (Bellcore) ADSL Asymmetric Digital Subscriber Loop (Line) ADSLF ADSL Forum ADSL-R Asymmetric Digital Subscriber Loop (Remote) ADT Asynchronous Data Teleservice AEC Acoustic Echo Controller AECE Acoustic Echo Control Equipment AES Advanced Encryption Standard-Rijndael AFE Analog Front End AFNOR Association francaise de normalisation (French Standardization) AG Access Grant AGC Audiographics Conferencing AGC Automatic Gain Control AGCH Access Grant Channel AGNI Advisory Group for Network Issues AHAG Ad Hoc Authentication Group (TR-45) AHES Ad Hoc Emergency Services (TR-45.2) AHG Ad Hoc Group aHIT! TIPIA merger into IMTC AHMMG Ad Hoc Microcell/Microsystems Guidelines AHPAI Ad Hoc PCS Air Interface Joint Group AHSOG Ad Hoc on Self Organization Group AHWG Ad Hoc Working Group AI Air Interface AI Answer Indicator (V.8) AIC Advanced Intra Coding AIG Administrators Interest Group AIG Authentication Implementation Guide AIIM Association for Information and Image Management AIN Advanced Intelligent Network AINI ATM Inter Network Interface AIS Alarm Indication Signal AIV Alternative Inter VLC a.k.a. Also Known As AL Answer List AL1 H.223 Adaption Layer 1 AL-PDU Answer List - Protocol Data Unit AL-SDU Answer List - Service Data Unit ALC Automatic Level Control ALCE Automatic Level Control Equipment ALE Automatic Link Establishment Radios ALF Application Level Framing ALI Automatic Location Identification ALIT Automatic Line Insulation Test ALT Automatic Link Transfer ALU Arithmetic Logic Unit AM Amplitude Modulation AM Assignment Message AMA Adaptive Motion Accuracy AMA/CDR Automatic Message Accounting/Call Detail Recording AMD Amendment AMF Authentication Management Function AMPS Advanced Mobile Phone Service AMR Adaptive MultiRate AMR-WB Adaptive Multi-Rate Wideband AN Access Network AN Access Node AN Advisory Note ANAI Access Network Architecture and Interfaces ANATEL Agencia Nacional de Telecomunicacoes (Brazil) ANF Additional Network Feature ANF-CMN Common Information Additional Network Feature (H.450.12) ANFP Access Network Frequency Plan ANI Automatic Number Identification ANOVA Analysis of Variance Procedure ANS Answer Tone ANSam Answer Tone, amplitude modulated (V.8) ANSI American National Standards Institute ANT Access Network Transport (Q1/15) AOC Advice of Change AOC Advice of Charge AOC ADSL Overhead Channel AOC-D Advice Of Charge during a call AOC-E Advice Of Charge at the End of a call AOD Audio on Demand AP Advanced Prediction AP Application Protocols APCM Analog PCM Modem APCO Associated Public Safety Communications Officers, Inc. APDU Application Protocol Data Unit APE Application Protocols Entities APEC Asian Pacific Economic Cooperation API Application Programming Interface APIC APCO Project 25 Interface Committee APLAC Asian Pacific Laboratory Accreditation Cooperation APON ATM PON APP Application Marker APS Asynchronous Protocol Specification AR Adaptive Reception Control AR Auto-Regressive AR Automatic Recall ARC Adaptive Reception Control ARC Alarm Reporting Control ARCH Access Response Channel ARDB Administrative Reference DataBase ARF Audio Resource Function ARIB Association of Radio Industries and Businesses (accredited standards setting body in Japan) ARJ Admission Reject ARLP Acoustic Reference Level Plan ARM Application Resource Manager ARQ Automatic Repeat Request ASAP As Soon As Possible ASCII American Standard Code for Information Interchange ASE Applications Service Element ASIC Application Specific Integrated Circuit ASID Access, Searching and Indexing of Directories ASL Active Speech Level ASN Abstract Symbol Notation ASO Arbitrary Slice Ordering ASOG Access Service Ordering Guidelines ASP Application Service Provider ASR Automatic Speech Recognition ASTM formerly American Society of Testing and Measurement ASVD Analog SVD AT Access and Terminals (ETSI TC) AT Asynchronous Terminal ATA Analog Terminal and Access Project ATa Analog Working Group (ETSI TC AT) AT-A ETSI Access and Terminals Analog Working Group ATAAB Analog Technical Ad hoc Advisory Board ATAc ATA's Conventional Technology WG ATAe ATA's Enhanced Technology WG ATBCB Architectural and Transportation Barriers Compliance Board ATC Analog Traffic Channel AT-D ETSI Access and Terminals Digital Working Group ATd Digital Working Group (TC AT) ATf Features Working Group (TC AT) ATF Administrative Task Force AT-F ETSI Access and Terminals Features Working Group ATG Access Transport Group (DSL Forum) ATIA Australian Telecommunications Industry Association ATIS Alliance for Telecommunications Industry Solutions ATM Asynchronous Transfer Mode ATMF ATM Forum ATMOVE Adaptive-Template Movement ATM-Utopia Universal Test and Operations Physical Layer Interface for ATM ATO Analog Tandem Office (TIA-646-B) ATS Abstract Test Suite ATS Assigned Time Slot ATV Advanced Television AuF Authentication Function AV AudioVisual AVC Audio Visual Coding AVC Audiovisual Conferencing AVD Alternating Voice Data AVI Interactive Audiovisual Services AVIS Audio Visual Information Systems AVMMS AudioVisual and MultiMedia Services AVT Audio/Visual Transport AWG American Wire Gauge AWGN Additive White Gaussian Noise AWI Alert With Info -BB Bi-directionally predicted B2B Business-to-Business B2C Business-to-Consumer B2G Business-to-Government B&G Bits&Gains (Q4/15) B&W Black and White BA Basic Access (ISDN) BAM Biconic Connector BAPT Bundesamt fur Post und Telekommunikation BARAS ETSI SAGE standard encryption algorithm for audiovisual services BAS Bit rate Allocation Signal BAU Base Audio Package BB Bandwidth Broker BBN Bulk Billing Number BBS Bulletin Board System BC Basic Call BC Bearer Channel BCC Basic Control Channel BCCA Board Committee on Conformity Assessment BCCH Broadcast Control Channel BCD Binary Coded Decimal BCDF Broadband Content Delivery Forum BCF Backward Control Field BCF Bearer Control Function BCH Bose, Chaudhuri, and Hocquengham BCM Back Channel Message BCTP Basic Call Transfer Protocol (SG11) BD-PSNR Bjøntegaard delta PSNR BDS Blank Detail Specification BE Border Element BEM Big Emerging Markets BER Bit Error Rate BERT Bit Error Rate Test BES Back-End Services BEST Back-End Service Transaction (B)FER Burst Frame Error Rate BF Bearer Function BFI Bad Frame Indicator BFOC Bayonet Fiber Optic Connector BFT Binary File Transfer BGN Background Noise Conditions B-HLI Broadband High Layer Information BICC Bearer Independent Call Control BICSI Building Industry Consulting Services International BID Billing ID Numbers BINTERMS Basic Interoperability for Terminals for Telematic Services B-ISDN Broadband ISDN B-ISUP Broadband ISDN User Part BITB Boulder Industry Test Bed BLER Block Error Rates BLERf Error Free Block Rate BLES Broadband Loop Emulation Service B-LLI Broadband Lower Layer Information BME Block based Motion Estimation BMI Base Station, Mobile Switching Center, and Interworking Function BMSC Base Station Manufacturer Code BNC ID Backbone Network Connection Identifier BNF Backus-Naur Form B-NT Broadband Network Termination BNT Binary File Transfer BNTF Bi-National Task Force BNTG Bi-National Task Group BNWG Bi-National Working Group BO Business Office BOF Birds of a Feather BoD Board of Directors BOMA Building Owners & Managers Association BONDING Bandwidth On Demand Interest Group (TR-41) BOS Business Object Summit BPI+ Baseline Privacy Interface Plus B-PISN Broadband PISN BPON Broadband Passive Optical Network BPTC Block-Product-Turbo-Codes B-QSIG Broadband QSIG BRA Basic Rate Access BRAN Broadband Radio Access Networks (ETSI TC) BRAS Broadband Remote Access Server BRI Basic Rate Interface BRKACK Break Acknowledge frame (V.42) BRM Bit Repetition Message BRQ Bandwidth Request BS Base Station BSC Base Station Controller BSC Binary Symmetric Channels BSMAP Base Station Management Application Part BSMC Base Station Manufacturer Code BSMI Bureau of Standards, Metrology and Inspection B-SMS Broadcasts Short Message Service BSN Broadband Service Node (Nortel) BSR Board of Standards Review (ANSI) BSS Base Station System BSS Broadcasting-Satellite Service BST Broadcast SMS Teleservice BT British Telecom (United Kingdom PTT) BTA Basic Trading Area BTC Business Telecommunications Committee (ETSI) BTM Basic Transfer Mode BTS Base Transceiver System B-UNI Broadband User Network Interface B-VOP Bidirectional Video Object Planes B/W Black and White BWC Bandwidth Control BWS Building Wiring Standard -CC&I Commands and Indications C&S Control and Signaling (ATM Forum Working Group) CA Channel Aggregation CA Communication Application (T.611) CA Conformity Assessment CAB Conformity Assessment Body CABA North America's Home and Building Automation Association CABAC Context-based Adaptive Binary Arithmetic Coding CAC Carrier Access Code CAC Connection Admission Control CAD Computer Aided Design CAGJES Canadian Advisory Group on Joint Electrical Safety Committee CAI Common Air Interface CAL Common Application Language CALEA Communications Assistance for Law Enforcement Act CAMA Centralized Automatic Message Accounting CANACINTRA Camara Nacional de la Industria de Transformacion (Mexico) CANIECE Camara Nacional de la Industria Electronica Y de Communicaciones Electricas (Mexico) CAP Carrier-less Amplitude modulation Phase modulation CAPI Common API CAPCS Cellular Auxiliary Personal Communications Service CARE Carrier Access Records Exchange CAS Channel Associated Signaling CAS Customer Alert Signal CASCO Committee on Conformity Assessment (ISO) CASE Conformity Assessment System Evaluation (NIST) CASS Common Air Satellite Structure CAT Cellular Action Team (ECSP committee) CATS Consortium for Audiographics Teleconferencing Standards CATV Cable Television CAVE Cellular Authentication and Voice Encryption Algorithm CAWG Conformity Assessment Working Group (Trilateral) CB Call Barring (TIA TR-34) CB Certification Body CB Citizen Band CBC Call Bearer Control CBC Cipher Block Chaining CBEMA Computing Business Equipment Manufacturers Association (see ITI) CBP Coded Block Pattern (H.261) CBPCM Coded Block Pattern - Chrominance CBPC Coded Block Pattern for Chrominance CBPY Coded Block Pattern for Luminance CBR Constant Bit Rate CC Call Control CC Common Carrier CC Communication Capability field CC Conference Call CC Continuity Check (Rec. I.610) CC Control Channel CCA Common Cryptographic Algorithm CCB Common Carrier Bureau CCBS Completion of Calls to Busy Subscribers CCIR Comite consultatif international des radiocommunications CCITT Comite consultatif international telegraphique et telephonique CCM Call Connection Management CCR Call Connect Reliability CCR Comparison Category Rating CCS Common Channel Signaling CCSN Common Channel Signaling Network CCSRL Control Channel Segmentation and Reassembly Layer CCT Channel Check Test CCT Consultative Committee - Telecommunications (Trilateral) CD Committee Draft CD Communication Device CD-ROM Compact Disk-Read Only Memory CDCP Call Detail Collect Point CDG CDMA Development Group CDGP Call Detail Generation Point CDH Cooperative Document Handling CDIS Call Detail Information Source CDL Coded Digital control channel Locator CDMA Code Division Multiple Access CDN Content Distribution Network CDPD Cellular Digital Packet Data CDR Call Detail Recording CDRP Call Detail Rating Point CDS Caller Display Signaling CDTAC FCC Consumer/Disability Telecommunications Advisory Committee CDV Committee Draft for Vote, IEC CE Capabilities Exchange CE Core Experiment CEASD Common ETSI Approach to Standards Development CeBIT Trade show in Hannover, Germany CEBus Consumer Electronics Bus CEC Canadian Electric Code CEC European Committee for Standardization CED Called Station Identification (T.30) CEG Card Expert Group (ETSI) CEG Integrated Circuit Card Expert Group CELP Code Excited Linear Prediction CEN Commission Europeenne de Normalisation (European Standards Committee) CENELEC Commission Europeenne de Normalisation Electrotechnique (European Electrotechnical Standards Committee) CEOC Clear Embedded Operations Channel CEPT Conference of European PTTs CER Cell Error Ratio CEXT Central Office End Crosstalk CESID Caller Emergency Station Identification CF Call Forwarding CF Center Frequencies CF Communication Functions CFA Carrier Failure Alarms (s) CFBL Call Forward Busy Line/ Don't Answer CFI Calling Feature Indicator CFP Computer Fax Protocol CFP Cypher Feedback CFR Code of Federal Regulations CFR Confirmation to Receive CFU Call Forwarding - Unconditional CG Correspondence Group CGI Control Grid Interpolation CH Compare HDLC CHAP Challenge Handshake Authentication Protocol CHASE A class of algorithms for decoding block codes, after D. Chase CHS Candidate Harmonized Standard CI Call Indicator (V.8) CI Calling Identity CI Characteristic Impedance CI Count Indicator CI Customer Installation CI Customer Interface C/I Carrier to Interference Ratio CIA Calling subscriber Internet Address CIAJ Communications Industry Association of Japan CIB Configuration Information Base CIC Circuit Identifier Code CICES Canadian Interference Causing Equipment Standard CID Caller Identification CIDCW Calling Identity Delivery on Call Waiting CIELAB a device-independent color space CIF Common Intermediate Format CIG Calling Subscriber Identification CILC Canadian Interconnection Liaison Committee CIM Common Information Model CIP Component-Independent Palette CIR Carrier to Interference Ratio CISC CRTC Interconnection Steering Committee CISPR International Special Committee on Radio Interference CISPR/I Subcommittee of CISPR dealing with EMC of information technology, multimedia equipment, and receivers CIT Charge-Rate Indication Teleservice CITEL Comision Internanericana de Telecomunicaciones CJ CM terminator CL Capabilities Select (see CR) CLAD Cell Assembly/Disassembly CLASS Bellcore service mark for signaling features such as Caller ID CLEC Competitive Local Exchange Carriers CLEI Common Language Equipment Identifiaction CLI Calling Line Identification CLID Calling Line Identity CLIP Calling Line Identification Presentation CLIP Calling Line ID Parameter CLLI Common Language Location Identifier (Telcordia) CLNP Connectionless Network Protocol CLR Capabilities List Request CLR Cell Loss Ratio CLR Circuit Layout Record CM Cable Modem CM Call Manager CM Call Menu CM Channel Management CM Common Mode CM Connection Management CMB CRC Message Block (TIA-464-C) CMC Common Mail Call CMC Common Messaging Call CME Circuit Multiplication Equipment CME Communications Management Entity CMI Controlled Mode Idle CMIP Common Management Information Protocol CMIS Common Management Information Services CMISE Common Management Information Service Element CMMR Common Mode Rejection CMMRD Cellular Microcell/Microsystem Requirements Document CMN Common information CMODES Confidentiality Modes CMOS Comparison Mean Opinion Score CMOS Complimentary Metal Oxide Semiconductor CMRS Commercial Mobile Radio Services (U.S.) CMS Call Management Server CMS Call Management Signaling CMS Circuit Multiplication System CMT Cellular Messaging Teleservice CMTSD Cellular Mobile Telephone Service Descriptions CMY Cyan, Magenta, Yellow CMYK Cyan, Magenta, Yellow, Black CN Corporate Network CNAD Calling Name Delivery CNAP Calling Name Presentation CNAR Calling Name Restriction CNG Calling Tone (T.30) CNG Comfort Noise Generator CNI Calling Number Identification CNI Comfort Noise Insertion CNID Calling Number Identification CNIP Calling Number Identification Presentation CNIP Calling Name Identity Presentation CNIR Calling Number Identification Restriction CNP Connection Negotiation Protocol CNR Carrier to Noise Ratio CNRP Common Name Resolution Protocol CO Central Office COFETEL Comision Federal de Telecomunicaciones de Mexico CoIP Conferencing over IP (IMTC Activity Group) COMM comm.drv for Microsoft Windows CONNEG Content Negotiations (IETF) COO Cell of Origin COPEE Council on Office Products Energy Efficiency COPS Common Open Policy Service CORBA Common Object Request Broker Architecture CORD Cibernet On-line Roaming Database COS Corporation for Open Systems COS-OST Corporation for Open Systems Executive Industry Group COSP Customer Owned Outside Plant COST Co-Operation in the field of Science and Technology research COTS Commercial Off-The-Shelf CP Communications Protocol CP Continuous Presence (H.243) CP Customer Premises CP Cyclical Prefix CPA Combined Paging/Access CPAN Customer Premises Area Network CPAP Customer Premises Access Profile CPCS Common Part Convergence Sublayer CPE Customer Premise Equipment CPEV City Pair Polyethylene PVC CPF Compatible Protocol Field CPH Call Party Handling CP-IWF Customer Premises - InterWorking Function (ATM Forum) CPL Call Processing Language CPM Continuous Presence Multipoint CPN Calling Party Number CPN Customer Premise Network CPS Common Part Sublayer (ATMF) CPSII Communications Protocol Stack Independent Interface CPT Cellular Paging Teleservice CPU Central Processing Unit CQ CAS Signal CQ Communication Quality CQPSK Compatible Differential Offset Quadrature Phase Shift Keying (Digital Modulation) CR Capabilities Request (see CL) CRe Capabilities Request sent by autoanswering station at call initiation CRC Cyclic Redundancy Code CRFP Cordless Radio Fixed Parts CR-LDP Constraint-based Routed Label Distribution Protocol (a protocol within MPLS) CRP Command Repeat CRT Cathode Ray Tube CRT Chinese Remainder Theorem CRTC Canadian Radio and Television Commission CRTS Cellular Radio Telecommunications Service CRV Call Reference Value CS Canadian Standard CS Circuit Switched CS1 BICC Capability Set 1 CS2 BICC Capability Set 2 CS-ACELP Conjugate Structure ACELP CS-PDU Convergence Sublayer - Protocol Data Unit CSA Called Subscriber Internet Address CSA Canadian Standards Association CSA Carrier Serving Area CSC Call Signalling Channel CSCI Computer Software Configuration Item CSD Coordinated Standards Document CSDN Circuit Switched Data Network CSD-P Circuit Switched Data, Point-to-Point Service CSE Communication Service Equipment CSF Signaling Control Function CSI Construction Specification Institute CSMA/CD Carrier Sense Multiple Access/Collision Detection CSN Circuit-Switched Network CSO Curvature of the Second Order CSPP Computer System Policy Project CSR Communications Standards Review CSS Communications Standards Summary CSS Composite Source Signal CSS Convolutional Spectral Shaping CSTA Computer Supported Telecommunications Applications CSU Customer Service Unit CT Call Trace CT2 Cordless Telephone 2 (ETSI) CTA Council For Terminal Attachment CTB Composite Triple Beat CTE Connected Telecommunications Equipment CTIA Cellular Telecommunications Industry Association CTE Connected Telecommunications Equipment CTE Connected Terminal Equipment CTF Consumer Telephone Forum (Telcordia) CTIA Cellular Telecommunications Industry Association CTI Computer Telephony Integration CTM Cordless Terminal Mobility CTN Corporate Telecommunication Networks CTO Chief Technical Officers CTP Common Transport Protocol CTR Common Technical Requirements CTRMP Cordless Telephone Range Measurement Performance CTX Centrex CU Composite User CuT codec under test CV Code Violation CVoADSL Channnelized Voice over ADSL CVoDSL Channnelized Voice over DSL CVoSDSL Channnelized Voice over SDSL CVSD Continuous Variable Slope Detection CW Call Waiting CW Continuous Wave CWD Call Waiting Deluxe CWID Call Waiting ID CWP Cost Work Program CYL Complex stutter dial report -DD-AMPS Digital AMPS D/A Digital to Analog D/S Downstream D/TT Digital Tie Trunk DA Delegated Authority DAA Data Access Arrangement DAC D/A Converter DAL Digital Access Line DAM Diagnostic Acceptability Measurement DANS Directory and Name Service DANS Distributed Access Node System DAP Document Application Profile DAS Door Answering System DAT Digital Audio Tape DAVIC Digital Audio-Visual Council DAWS Digital Advanced Wireless Service DB Data Base DBA Dynamic Bandwith Assignment DBM Dual Bitmap DBMS Data Base Management System DBS Direct Broadcast Satellite DC Data Compression DC Direct Current DC Directionality Classification DCA Dynamic Capacity Allocation DCC Data Country Code DCC Digital Control Channel DCCH Digital Control Channel DCD Data Carrier Detect DCE Data Circuit terminating Equipment DCE Digital Cellular Equipment DCF Disengage ConFirmation DCME Digital Circuit Multiplication Equipment DCMS Digital Circuit Multiplication Systems DCN Disconnect (T.30 ) DCP Digital Connectivity Probing DCOR Draft technical Corrigendum (ISO/IEC) DCR Degradation Category Rating DCS Digital Cellular System DCS Digital Command Signal (T.30) DCT Data Calling Tone DCT Discrete Cosine Transform DCT-U Digital Cordless Telephone - U.S. DDI Direct Dialing In DDoS Distributed Denial of Service DDR Document Discrepancy Report DDS Digital Data Service DEC Digital Extended Command (proposed T.30 extended negotiations) DECT Digital Enhanced Cordless Telecommunications (ETSI) DEG Draft ETSI Guide DEN Directory Enabled Networks DEO Digital End Office DER Digital Extended Request (proposed T.30 extended negotiations) DES Data Encryption Standard (U.S.) DES Digital Extend Signal (T.30) DES Draft European Standard DF Data Compression Format (T.class2) DF Deblocking Filter DFD Displaced Frame Difference DFE Decision Feedback Equalizer DFP Distributed Functional Plane DFPA Defense Fire Protection Association DG Drafting Group DGN Director General de Normas (SECOFI, Mexican Standards Organization) DGS Digital Station DH Diffie-Hellman protocol DHCP Dynamic Host Control Protocol (RFC 2131) DHE Document Handling Equipment DI Digital Interface DI Distribution Interface DIAMETER IETF protocol used for authentication, authorization and accounting DIC Delay Interval Compensation DID Direct Inward Dialing DIG ISDN compatible Digital Station and tie trunk (TIA-646-B) DIL Digital Impairment Learning DIMRS Digital Integrated Mobile Radio System DIN Deutsche Institut fur Normung (German Standardization Institute) DIS Digital Identification Signal DIS Draft International Standard (ISO) DISA Defense Information Systems Agency DISXML Extended Markup Language DJGPP MSDOS port of gcc DKTS Digital Key Telephone Station DLC Digital Loop Carrier DLC Dynamic Load Control DLCI Data Link Connection Identifier DLL Dynamic Link Library DLP Data Protocol (H.DLP) DM Differential Mode DMA Direct Memory Access DMH Data Message Handler DMI Desktop Management Interface DMI Draft Miscellaneous Work Item (ETSI) DMIF DSM-CC Multimedia Integration Framework DMOS Degradation MOS DMP Downlink Measurement Protocol DMT Discrete MultiTone DMT Discrete Multi-tone Carrier DMTF Desktop Management Task Force DMV Differential Motion Vector DN Directory Number DND Do Not Disturb DNI Digital Negotiation Information Signal DNIS Dialed Number Identification Service DNK Digital Not acKnowledge DNS Domain Name Server DoC Declaration of Conformity DOC Department of Commerce DOC Department of Communications (Canada) DOCSIS Data Over Cable Service Interface Specification DoD Department of Defense (U.S.) DOE Department of Energy (U.S.) DOL Data Off-Loading DoS Denial of Service DOS Department of State (U.S.) DP Data Privacy DP Data Pump DP Dial Pulse DPA Data Privacy Algorithm DPA Document Printing Application DPBX Digital PBX DPCM Digital PCM Modem DPI Dots Per Inch DPL Digital Power Line (Q1/15) DPS Data Partitioned Slice DPS Dynamic Power Save DPNSS Digital Private Network Signaling System DPSK Differential Phase Shift Keying DPT Distribution-Preserving Tomlinson DQoS Dynamic Quality of Service DQUANT Field for modified quantization mode (H.263+) DR Discrepancy Report DRA Dynamic Rate Adaptation DRC Dynamic Rate Change DRM Digital Rights Management DRQ Disengage Request DRP ear Drum Reference Point DRR Dynamic Rate Repartitioning DRT Diagnostic Rhyme Test DRUMS Detailed Revision/Update of Message DS0 64 kbit/s Channel DS1 1.544 Mbit/s T1 Interface DS3 44.736 Mbit/s T3 Interface DSA Directory System Authentication DSAA DECT Standard Authentication Algorithm DSAP Data Services Access Profile DSAT Digital Supervisory Audio Tone DSC DECT Standard Cipher DSCP Differentiated Services Code Point DSI Digital Speech Interpolation DSL Digital Subscriber Line DSL Document SeLection DSLAM DSL Access Multiplexer DSLF DSL Forum DSM-CC Digital Storage Media - Command and Control DSMCC Digital System Multimedia Communication Control DSN Delivery Status Notification DSN Disposition Service Notification DSP Digital Signal Processing DSR Data Set Ready DSR Distributed Speech Recognition DSR Dynamic Symbol Reordering DSREQ Data Service Request DSS1 Digital Subscriber Signaling 1 DSU Data Service Unit DSV Distributed Speaker Verification DSVD Digital SVD DSX Digital Signal Cross-Connect DT Dual Tone DTA Digital Terminal and Access Project (ETSI) DTAAB DECT Technical Advisory Ad hoc Board DTAM Document Transfer Access Method DTAP Direct Transfer Application Part DTC Digital Traffic Channel DTC Digital Transmit Command DTD Document Type Definition DTE Data Terminal Equipment DTG Digital TV Group (UK) DTIF Disabilities Issues Task Force DTL Designated Transit List DTM Dynamic synchronousTransfer Mode DTMF Dual Tone Multi Frequency DTR Data Terminal Ready DTR Draft Technical Report (ETSI) DTS Definitive Telefax Standard DTS Draft Technical Standard (ETSI) DTV Digital TV DTX Discontinuous Transmission DUT Device Under Test DV Digital Video DVB Digital Video Broadcasting DVB-T DVB Terrestrial DVCC Digital Verification Color Code DVD Digital Versatile Disk (also Digital Video Disk) DVEM Differential Vector Error Magnitude DWDM Dense Wavelength Division Multiplexing -EE 20 bit sequence E&M Ear and Mouth: Separate signaling lines E2E End to End EA European Accreditation EBNF Extended Backus-Naur Form EBU European Broadcasting Union ebXML electronic business XML Consortium EC Echo Canceled EC Echo Canceler EC Echo Control EC Error Control (TR-29) EC Error Correction EC European Commission EC Exchange Carriers ECB Electronic Codebook ECC Expanded Control Channel ECCA European Cable Communications Association ECDC Error Correction / Data Compression ECE Echo Cancellation Equipment ECIC Electronic Communications Implementation Committee ECM Error Correction Mode ECMA European Communications Manufacturers Association ECN Encoding Control Notation (ASN.1) ECS Emergency Calling Service ECSD Enhancement of High Speed Circuit Switched Data ECSP Electronic Communications Service Provider ECSQ Entropy Constrained Scalar Quantization ECT Explicit Call Transfer ECTA European Competitive Telecommunications Association ECTEL European Telecommunications and Professional Electronics Industry ECTF Enhanced Communication and Transport Service ECTF Enterprise Computer Telephony Forum ECTRA European Commission of Telecommunications Regulatory Authorities EC-VBR Embedded Coding Variable Bit Rate ECVQ Entropy Constrained Vector Quantization EDACS Enhanced Digital Access Communications System EDC Electronic Document Coordinator EDD Electronic Document Distribution EDGE Enhanced Data rates for GSM Evolution EDH Electronic Document Handling EDI Electronic Data Interchange EDSL Emerging DSL (DSL Forum Study Group) EDSLSG Emerging DSL Study Group (DSL Forum) EDT European Deaf Telephone EE Equipment Engineering (ETSI Technical Committee) EEA European Economic Area EEC European Economic Community EEMAC Electrical and Electronic Manufacturers Association of Canada EEP Equal Error Protection EES Escrow Encryption Standard EFIS Electronic Flight Instrument Systems EFM Ethernet in the First Mile EFR Enhanced Full Rate EFRC Enhanced Full Rate Codec EFT Electrical Fast Transient EFTA European Free Trade Area EG ETSI Guide EG Expert Group EG AN ETSI Guide Access Network EGDIR Expert Group DIRectory system (EWOS) EGMHS Expert Group Message Handling System (EWOS) EGPRS Enhanced General Packet Radio System EHS European Home Standards EI Enhancement Intra (pictures, H.263) EI Error Indicator EIA Electronic Industry Association EIAJ EIA Japan EIC Equipment Installer's Code EICTA European Information and Communications Technology Industry Association EICAS Engine Indicating and Condition Advisory System EID Equipment Identifier EID Error Insertion Device eifax extended internet fax EII European Information Infrastructure EIRP Effective Isotropic Radiated Power ELAWG EMC Laboratories Accreditation Working Group ELCP Emulated Loop Control Protocol (ATMF, ETSI) ELFEXT Equal Level Far-End Crosstalk EM Electromagnetic EMA Electronic Messaging Association EMC ElectroMagnetic Compatibility EMC Equipment Manufacturer's Code EMCS ElectroMagnetic Compatibility Society EME Electromagnetic Emissions EMI Electromagnetic Interference EMI Exchange Message Interface (Bellcore standard for data transmission between RBOC/LEC and the IC/IXC/IEC) EMS Element Management System EMS Emergency Services EMT Electrical Metal Tubing E-MTA Embedded Multimedia Terminal Adapter EN Enterprise Network EN European Norm ENP Extended Negotiation Procedure ENUM tElephone NUmbering Mapping (IETF) EOB End of Block EOC Embedded Operations Channel EOI End of Image EOL End of Line (T.4) EOM End of Message (T.30) EOR/ERR End of Retransmission/ Response for End of Retransmission EOS End of Selection EOS End of Sequence EOSBS End of Sub-Bitstream EOS-PPS End of Selection for selective polling applications EOT End of Transmission E-OTD Enhanced Observed Time Difference EP Enhancement Predicted (pictures, H.263) EP Error Pattern EP ETSI Project EP Extended Protocol EPA Environmental Protection Agency EP-CN ETSI Project Corporate Network EP-DTA ETSI Project Digital Terminal Access EP-EASI ETSI Project-European ATM Services Interoperability EPHOS European Procurement Handbook for Open Systems EPIIC European Program on Information Infrastructure Committee EPIISG European Project on Information Infrastructure Starter Group EPL Echo Path Loss EPM Enter Parameter Mode EPP ETSI Partnership Projects EPT Echo Protect Time ERC European Radio Committees EREC Error Resilient Entropy Code/Error Robust Entropy Code ERF Emergency Related Forwarding ERL Echo Return Loss ERM ETSI committee on EMC and Radio spectrum Matters ERP Ear Reference Point ERP Effective Radiated Power ERP EOC Register Protocol ERPS Enhanced Reference Picture Selection ES Echo Suppressor ES Elementary Stream ES Emergency Services ES Errored Seconds ES Escape Sequence ES Escape Signal ES ETSI Standard ES Express Swapping ESD Echo Suppressor Devices ESD ElectroStatic Discharge ESF Extended SuperFrame ESI Electronic Signatures and Infrastructures ESI Emergency Services Interface ESLR Equivalent SLR ES/MS Escape Signal/Mode Select ESMR Enhanced Specialized Mobile Radio ESMTP Extended Simple Mail Transfer Protocol ESN Electronic Serial Number ESNX Expanded Electronic Serial Number ESPM Extended System Parameters Message ESRD Emergency Services Routing Digits ESS Enhanced Signaling Systems eSTL evolving STL ET (FCC) Office of Engineering and Technology E-TDMA Extended Time Division Multiple Access ETIB European Telecoms Intelligence Bulletin ETNO European Telecom. Network Organization ETNS European Telephony Numbering Space ETO European Telecommunications Office ETP European Telecommunications Platform ETR ETSI Technical Report ETS European Telecommunications Standard (ETSI) ETSI European Telecommunications Standards Institute EU European Union EU MRA European Union Mutual Recognition Agreements EURESCOM European Institute for Research and Strategic Studies in Telecommunications EUROBIT European Association of Manufacturers of Business Machines and Information Technology EUT Equipment Under Test EV Embedded VBR EVRC Enhanced Variable Rate Codec EWOS European Workshop on Open Systems EXOR Exclusive OR EXP Equal Erasure Protection EZW Embedded Zero-tree Wavelet (coding) -FFA Flexible Alerting FAA Federal Aviation Administration (U.S.) FACCH Fast Associated Control Channel FAMOUS Future Advanced Mobile Universal System FAQ Frequently Asked Question FAR Federal Aviation Regulations (U.S.) FAS Facility Associated Signaling FAS Frame Alignment Signal FBI Federal Bureau of Investigation (U.S.) FBM FEXT Bit Map mode (G.992.1, Annex C) FC Feature Code FC Type of commercial fiber optic connector (Threaded) FC-PH Fibre Channel Physical and Signaling Interface (ANSI X3) FCA Fixed Channel Allocation FCAPS Faults, Configuration, Accounting, Performance and Security (ISO) FCC Federal Communications Commission (U.S.) FCD Fast Track Committee Draft (ISO) FCF Facsimile Control Field (T.30) FCF Forward Control Field FCS Frame Check Sequence FDA Food and Drug Administration (U.S.) FDAM Final Draft AMendment FDD Frequency Division Duplexing FDDI Fiber Distributed Data Interface FDM Frequency Division Multiplexing FDIS Final Draft International Standard (ISO) FDM File Diagnostic Messages FDMA Frequency Division Multiple Access FDX Full Duplex FE Facilities Exchange FE Functional Entities FEAL Fast Encryption Algorithm FEC Forward Error Correction FEC Frame Erasure Concealment FECC Far End Camera Control FE-EC Far End - Echo Canceller FEF Flat Equalized FEXT FEI Federation of Electronic Industries (UK) FEQ Frequency Domain Equalizer FER Frame Error Rate FEXT Far End Cross Talk FF Feed Forward FFPIM Full-mode Facsimile Profile of Internet Mail FFS For Further Study FFT Fast Fourier Transform FG Focus Group FGS Fine Granularity Scalability FHWA Federal Highway Administration (U.S.) FI Format Identifier FIF File Interchange Format FIFO First In First Out FIPS Federal Information Processing Standard FIR Finite Impulse Response FL Facilities List FLC Fixed Length Codeword FLMTS Future Land Mobile Telephony Systems FM Fault Management FM Frequency Modulation FMS Flight Management Systems FMT Filtered MultiTone FNA Functional Network Architecture FNE Fixed Network Equipment FNV Field Not Valid FNV Frame Not Valid FO Fiber Optic (TIA) FO Foreign Office FOC Fiber Optic Connector FOCIS Fiber Optic Connector Intermateability Standard FoIP Fax over Internet Protocol FOM Figure of Merit FOREG Forced Registration Flag FOTAG Fiber Optic TAG FOTP Fiber Optic Test Procedure FP Fixed Part FPDAM Final Proposed Draft Amendment FPGA Field Programmable Gate Array FPH Freephone FPLMTS Future Public Land Mobile Telephone Systems FPP Frames Per Packet FPS Frames Per Second fps frames per second FR Federal Regulation (US) FR Frame Relay FRAPI-A An ISDN Architecture in use in Japan FRC Full Rate Codec FRF Frame Relay Forum FRS Florida Relay Service FS Fixed Satellite FS Frame Size FS Full Service FSA Framework Study Areas FSAN Full Service Access Networks FSK Frequency Shift Keying FSM Finite State Machine (H.323 Gatekeeper) FSRA Fast Seamless Rate Adaptation FSS Fixed Satellite Service FS VDSL Full Service VDSL (FSAN Committee) FT Fixed Terminals FT Fixed radio Terminal FTAA Free Trade Area of the Americas FTAM File Transfer, Access and Management FTBP File Transfer Body Part FTH Class 1 command HDLC transmit FTP File Transfer Protocol FTP Foiled Twisted Pair FTRI Florida Telecommunications Relay, Inc. (www.ftri.org) FTT Failure To Train FTTB Fiber To The Building FTTC Fiber To The Curb FTTCab Fiber To The Cabinet FTTEx Fiber To The Exchange FTTH Fiber To The Home FTTO Fiber to the Office FUNI Frame Based UNI FVC Forward Voice Channel FWA Fixed Wireless Access FWI Flash With Info FWUF Federal Wireless Users Forum (U.S.) Fx Crossover Frequency FX Foreign eXchange FXS Foreign Exchange Station FYI For Your Information -GG3FT G3 FX Teleservice G3G Global Third Generation GA General Assembly (ETSI) GAL Graphics Adapter Language GAP Generic Access Profile GASP Gatekeeper Synchronization Protocol GAT Generic Application Template GATT General Agreement on Trade and Tariffs GBSC Group of Blocks Start Code GCAC Generic CAC GCC Generic Conference Control GDMO Guidelines for the Definition of Managed Objects GDMO Generic Definition of Managed Objects GDR Global Desired Receive (PSD) GEF Generic Extensibility Framework GETS Government Emergency Telecommunications Service GF Generic Functional Procedures GFID GOB frame identification GFR Guaranteed Frame Rate (ATM Forum) gi gains information GI Graded Index GIDS Global IP Directory Service GIDS Global IP telephony Database Service GII Global Information Infrastructure GISN Global IP-Telephony Subscriber Number GIT Generic Identifier Transport GK GateKeeper GLP Geographic Location Profile GMC Global Motion Compensation GMDSS Global Maritime Distress and Safety System GMII Gigabit Media Independent Interface GMM Global Multimedia Mobility GMR Geostationary Mobile Radio GMSK Gaussian Minimum Shift Keying GMVC Global Motion Vector Coding GN GOB Number (H.263) GNATT Generic Enhanced Teleservice Transport GOB Group of Blocks (H.261, H.263) GOF Glass Optical Fiber GONOW ETSI NA Task Force, Managed by European Projuction Information Infrastructure Coordination (EPIC) GOP Group of Pictures GoS Grade of Service GOSIP Government Open Systems Interconnection Profile GOSS Guide to Open Systems Specification G-PAD Generalized polling protocol - Packet Assembly/Disaaembly GPCAS Global Product Conformity Assessment System GPM General Page Message GPS Global Positioning System GRJ Gatekeeper Reject GRP Good Regulatory Practices GRQ Gatekeeper Discovery Request GPRS General Packet Radio Service GSA General Services Administration GSC GOB Start Code GSM Global System for Mobile Communications GSN Global Subscriber Number GSO Geostationary Satellite Orbit GSS Generalized Spectral Shaping GSS Generic Security Application Programming Interface GSS Generic Security Service GSS Generic Supplementary Services GSTN General Switched Telephone Network (i.e., PSTN) GT Global Title GTA Global Title Address GTAAB GSM Technical Advisory Ad hoc Board GTAI Global Title Address Information GTT Global Title Translation GUI Graphical User Interface GUP Gatekeeper Update Protocol GW GateWay GWC GateWay Controller GWLOC Gateway Location protocol -HH/W Hardware HAC Hearing Aid Compatible HAM Amateur Radio HAN Home ATM Network HATIS Hearing Aid Telephone Interconnect System HATS Head and Torso Simulator HC Header Counter HDLC High level Data Link Control HDLU High speed Dynamic Link Unit HDML Handheld Device Markup Language, a forerunner of WML HDSL High-rate Digital Subscriber Line HDTV High Definition Television HDX Half Duplex HE High End HE-LPC Harmonic Excitator Linear Predictive Coder HEMP High Energy Electromagnetic Pulses HES Home Electronic System HF High Frequency HF Human Factors HFC Hybrid Fiber Coax HFCI The H.323 Firewall Control Interface HFR Hybrid Fibre Radio HFT Hands Free Telephone HFTP Hybrid-Fiber Twisted Pair HFX Hawthorne Facsimile Cipher HHR Half-Horizontal Resolution (352 by 480 or 576) HI High Impedance HIA Hearing Industries Association HINE Heterogeneous In-house Networking Environment HIPERLAN High Performance Radio Local Area Network HIPPI High-Performance Parallel Interface HKM Hawthorne Key Management HLC Higher Layer Compatibility HLF Home Location Function HLI High Layer Information HLR Home Location Register HLTF High Level Task Force HLTG High Level Task Group HMAC Keyed-Hashing for Message Authentication H-MLP High Speed Multi Layer Protocol HNI Home Network Identity HNS Hughes Network Systems HNOS Home NetWork Operating System HNW Home NetWork (VESA) HO Hand Off HomePNA Home Phoneline Networking Alliance HPC High Probability of Completion HPCI Harmonized Programmable Communications Interface HPF High Pass Filter HPL Home-Phone LAN HPLI Higher Layer Protocol Identifiers HPNA Home Phoneline Network Alliance HPUX Unix in HP workstations HRC Half Rate Codec HRD Hypothetical Reference Decoder HRDJ1 Hardwired Jack HS Harmonized Standards HSCSD High Speed Circuit Switched Data HSD High Speed Data Channel HSM High Speed Modem HSP Host Signal Processing HSSG High Speed Study Group (IEEE) HSSI High Speed Serial Interface HSTU-C High Speed Transceiver Unit - Central HSTU-R High Speed Transceiver Unit - Remote HTML Hyper Text Markup Language HTTP HyperText Transport Protocol HTU-C Handshake Transceiver Unit - Central Office End HTU-R Handshake Transceiver Unit - Remote Terminal End HW Hardware HWCI Hardware Configuration Item -II Intra (Q6/16, VCEG) I&I Interworking and Interoperability I/G Implementors Guide I/O Input/Output IA Implementation Agreement IA Interoperability Agreements IAA I Am Alive (emergency system) IA5 International Alphabet No. 5, now called International Reference Alphabet (IRA) IAC Industry Advisory Committee/Council IACM Industry Advisory Committee Meeting (UL) IAD Integrated Access Device IAEI Israel Association of Electronics Industries IAF Internet Aware Fax (T.38) IAM Initial Address Message IANA Internet Assigned Number Authority IAP Intercept Access Point IAS Industrial Applications Society (IEEE) IAT Internet access time IB Indicator Bits IBS Intelligent Building Systems IC Impairment Combination IC Industry Canada IC Interexchange Carrier ICA Information Communication Architecture I-CAN Integrated Customer Access Network ICANN Internet Corporation for Assigned Names and Numbers ICC International Coordination Committee (ISO) ICCID Integrated Circuit Card ID ICCF Industry Carriers Compatibility Forum ICD International Code Designator ICEA Insulated Cable Engineers Association ICF InfoConfirm ICFA International Computer Facsimile Association ICG Intersector Coordination Group ICI Inter Carrier Interference ICO Intermediate Earth Orbit ICS Digital line interface to ISDN Compatible Station meeting requirements of TIA/EIA-579 ICS Incoming Call Screening ICS Implementation Conformance Statement ICS Interoperability Compliance Statement (DSL Forum) ICT Information and Communication Technology (ETSI) ICT Integer Cosine Transforms I-CTR Interim Common Technical Requirements ICTSB Information and Communication Technology Standards Board ICV Integrity Check Value ICWWG Interagency Cellular and Wireless Working Group ID delay impairment value ID Identification IDB J2366 ITS Data Bus IDCT Inverse Discrete Cosine Transform IDEA International Data Encryption Algorithm (Proprietary, from Ascom Tech. AG) IDFT Inverse Discrete Fourier Transform IDL Interface Design Language IDLC Integrated Digital Loop Carrier IDRA Integrated Dispatch Radio System IDS Integrated Directory Service IDSL ISDN Digital Subscriber Line IE protocol discriminator Information Element IEB Industrial Electronic Bulletin IEC International Electrotechnical Commission IECEE Compliance with IEC for Electrical Equipment IEEE Institute of Electrical and Electronic Engineers IEMS International Emergency Multimedia Services IEPS International Emergency Preference Scheme (ITU-T E.106 ) IESG Internet Engineering Steering Group IETF Internet Engineering Task Force I-ETS Interim ETS (ETSI Standard) IF Intermediate Frequency IF Isolation Filters IF Isolation Function IFA Informal FTP Area IFAST International Forum on AMPS Standards Technology (CTIA) IFAX Internet Facsimile IFBCA Internet Fax and Business Communications Association IFFT Inverse Fast Fourier Transform IFP Internet Facsimile Protocol IFTP Informal FTP area IG Implementer's Guide IG Interoperability Group IGMP Internet Group Management Protocol IIF Interworking Interoperability Function IIP Itinerant Internet Protocol IIR Institute for International Research IIS Inteface Implementation Specifications (Telemanagement Forum) IITF Information Infrastructure Task Force ILC Identifier Length Content ILD Insertion Loss Deviation ILEC Incumbent Local Exchange Carriers ILMI Integrated Local Management Interface (ATMForum) IM Instant Messaging IM Inter-modulation IM Internet Multimedia (3GPP) IMA Interactive Multimedia Association IMA Inverse Multiplexing for ATM IMBE Improved MultiBand Excitation IMC Internet Mail Consortium IMD Inter Modulation Distortion IME ILMI Management Entity IME Interface Management Entity IMEI International Mobile Equipment Identifier I-mode Idle mode IMP Internet Modem Protocol IMPP Instant Messaging and Presence Protocol (IETF) IMRS Interactive Multimedia Retrieval Services IMS Interactive Multimedia Services IMSF IS-41 Message Security Forum IMSI International Mobile Subscriber Identity IMT International Mobile Telecommunications (IMT-2000) IMTC International Multimedia Teleconferencing Consortium IN Intelligent Networking INAA Integrated Network Access Arrangement INAP Intelligent Network Application Profile IN/B Intelligent Network/Broadband INC International Carrier INF IN Forum INMD In-service Non-intrusive Measurement Device INMETRO Instituto Nacional de Metrologia, Normalizacion e Qualidad Industrial (Brazil) iNOW interoperability NOW! INTAP Interoperability Technology Association for Information Processing (Japan) INTSERV Integrated Services IOL InterOperability Laboratory (University of New Hampshire) IOS Inter-Operability Specifications IP Intellectual Property IP Intelligent Peripheral IP Internet Protocol IPAD Internet Packet Assembler Disassember IPAT Internet Protocol Access Terminal IPB Improved PB IP BCP Internet Protocol Basic Call Processing (SG11) IPBCP IP Bearer Control Protocol IPBX Internet PBX IP-CME Circuit Multiplication Equipment optimized for IP-based Networks IPCP Internet Protocol Control Protocol (RFC1332) IPDC IP Device Control IPDR IP Detail Record (Consortium) I-PDU Information PDU IPFN IP Federating Network (SPAN14 and TIPHON project) IPN Intelligent Packet Network IPNS ISDN PBX Network Specification IPP Internet Printing Protocol IPR Intellectual Property Rights IPSEC IP Security (IETF) IPT Internet Protocol Telephony IPTD IP Packet Transfer Delay iptel Internet Protocol Telephony (IETF Working Group) IPUI International Portable User Identity IPUI R International Portable User Identity for public/GSM IRA International Reference Alphabet IRA Internet Routing Address IRDA Infrared Interface Committee IREG ITU-T Recommendation Experiment Group IRM International Roaming MIN IRQ Interworking Service Request identifier IRR Information Request Response IRS Intermediate Reference System IS Interim Standard (U.S.) IS International Standard (ISO) ISA Industry Standard Architecture ISC International Softswitch Consortium ISC International Switching Center ISCI Inter-Symbol and Channel Interference ISCRI International Special Committee on Radio Interface ISD Independent Segment Decoding ISD Integrated Services Digital (TIA-646-B) ISD International Standards Development ISDN Integrated Services Digital Network ISDN-BA ISDN Basic Access ISDN BRA ISDN Basic Rate Access ISDN-PA ISDN Primary Access ISD/TT Integrated Services Digital/Tie Trunk ISI Inter Symbol Interference ISIS Information Society Initiatives in Standardization ISLP Intersystem Link Protocol ISM Industrial, Scientific, Medical ISN Interface Service Node ISN Interface Serving Node (SG11) ISO International Organization for Standardization ISOC Internet Society ISOL Integrated Services Over Low speed serial inks ISP International Standardized Profile ISP Internet Selective Polling ISP Internet Service Provider ISPBX Integrated Services Private Branch Exchange ISPT Italian PTT ISRF Internet Screenphone Forum ISS Inter-Satellite Service ISSG Internet Services Study Group (MSAF) ISSLL Integrated Services over Specific Links ISSLOW Integrated Services System for Low Bitrate Environments IST Integrated Services Trunk IST ISDN tie trunks ISTO Industry Standards and Technology Organization ISTP IPCablecom Signaling Transport Protocol IST/TT IST and other Tie Trunk ISUP ISDN User Part ISWG Interoperability Sub-Working Group (ADSL Forum) IT Information Technology IT Intermediate Trunk ITAAB ISDN Technical Advisory Ad hoc Board ITAAG ISDN Technical Advisory Ad hoc Group ITAC Information Technology Association of Canada ITAC ITU-T Advisory Committee ITAD Integrated Telephone Answering Device ITAR International Traffic in Arms Regulations ITD Interface Telecom Domotique ITE Information Technology Equipment ITI Information Technology Industry Council (formerly CBEMA) ITIC Information Technology Industry Council ITL Independent Testing Labs ITM Informative Test Methods ITOC Independent Telephone Operating Company ITS Institute for Telecommunications Sciences ITS Intelligent Transport System ITSB Image Technology Standards Board ITSI Individual TETRA Subscriber Identity ITU International Telecommunication Union ITU-R ITU Radiocommunications Sector ITU-T ITU Telecommunications Sector ITU-TSB ITU Telecommunications Standardization Board ITUDOCS Electronic Document Service of ITU ITV Interactive Television IUT Implementation Under Test I-V Current - Voltage IV Initialization Vector IVCD Initial Voice Channel Designation IVN Intervening Networks IVP Integrated Voice Protocol IVPC Integrated Voice Protocol and Commands IVR Interactive Voice Response IVS Integrated Video Services IWF Inter-Working Function IWU Interworking Unit -JJADSL ADSL for ISDN JBIG Joint Binary Image Group JC Joint Capabilities JCCR Joint Committee on Cellular Roaming JCG Joint Coordination Group JDC Japan Digital Cellular JEEC Joint ETSI/ECMA Committee JEM Joint Experts Meeting JFIF JPEG File Interchange Format JITC Joint Interoperability Test Center JM Joint Menu JPC Joint Project Committee JPT Joint Project Team JPEG Joint Photographics Expert Group JPG Joint Presidents Group (CEN/CENELEC/ETSI) JQG Joint Question Group JRG Joint Rapporteurs Group JSC Joint Sectoral Committee JSD Joint Standards Documents JTACS Japanese TACS System JTAPI JAVA Telephony API JTC Joint Technical Committee JURA JPEG Utilities Registration Authority JUSTINTAC Joint User Supplier TIA ICEA NEMA Technical Advisory Committee JWG Joint Working Group -KKLT Karhunen-Loeve Transform KTA Key Technical Areas KTS Key Telephone System KY totally protected key systems (FCC Part 68 Form 730) -LL2TP Tunneling Protocol, standardized encapsulation capable of carrying multiple PPP sessions l2tpext Layer 2 Tunneling Protocol Extensions (IETF) LA Local Application (T.611) LA Look Ahead LAC L2TP Access Concentrator LAC Link Access Control LADC Local Area Data Channels LAES Lawfully Authorized Electronic Surveillance LAIC Lawfully Authorized Intercept Capability LAN Local Area Network LANE LAN Emulation LAP Link Access Protocol LAPB Link Access Protocol B (ISDN-B Channel) LAPD Link Access Protocol D (ISDN-D Channel) LAPF Link Access Protocol - Frame LAPM Link Access Protocol for Modems (V.42) LAPV Link Access Protocol - Video Telephone LAR Log Area Ratio LATA Local Access Transport Area LB Letter Ballot LB Loop Back (Rec. I.610) LBC Low Bit rate Coder LBO Line Build Out LBS Location Based Service LC Last Call (ITU, IETF) LC Logic Channel LCAP Large Cell Access Profile LCD Liquid Crystal Display LCD Loss of Cell Delineation LCF Location Confirm LCFO Line Current Feed Open LCF-PMD Low Cost Fiber-Physical Medium Dependent LCL Longitudinal Conversion Loss LCN Logical Channel Number LCP Link Control Protocol LCTL Longitudinal Conversion Loss Transfer LD Long Distance LDAP Lightweight Directory Access Protocol LDCELP Low Delay CELP LDDS Limited Distance Data Service LDLL Limited Degradation of the Long Loop LDM Limited Distance Modem (CS-03) LDP Label Distribution Protocol LDPA Light Document Printing Architecture LDPC Low Density Parity Check LE Local Exchange LEC Local Exchange Carrier LEO Low Earth Orbit LES Loop Emulation Service LHS Left Hand Side LI Lawful Interception LISN Line Impedance Stabilization Network LL Leased Line LLC Logical Link Control LLI Lower Layer Information LLID Loopback Location Identifier (Rec. I.610) LMCO Lockheed Martin Corporation and Ericsson LMCS Local Multipoint Communications System LMDS Local Multi-point Distribution Service LMF Location Management Function LMR Land Mobile Radio LMS Land Mobile Service LMS Loop Management System LMSI Local Mobile Station Identity LNP Local Number Portability LNS L2TP Network Server LO Local Oscillator LOI Letter of Intent LON Local Operating Networks LOO Likelihood of Occurrence LOS Loss of Signal LOSQ Listening Only Speech Quality LPC Linear Predictive Coding LPF Low Pass Filter LPIC Primary / Presubscribed Interexchange/IntraLATA Carrier LR Loudness Rating LRCC Last Registration Control Channel LRE Low bit Rate Encoding LRF Location Registration Function LRFD Load and Resistance Factor Design LRJ LocationReject LRN Location routing number for LNP LRQ Location Request LS Lossless and near Lossless LSAS Line-Side Answer Supervision LSB Least Significant Bit LSD Low Speed Data channel LSO Loopback Service Options (cdma2000) LSOG Local Service Ordering Guidelines LSP Line Spectral Pair LSP Local Service Provider LSSGR LATA Switching Systems Generic Requirements (Bellcore) LSTR Listener Sidetone Rating LT Line Termination LTP Long Term Prediction LTU Line Terminating Unit LU Logical Unit LUS Location Update Service LVD Low Voltage Directive LVDS Low Voltage Differential Signaling LW Long Wave LZJH Lempel-Ziv-Jeff.Heath LZW Lempel-Ziv-Welch algorithm -MMA Moving Average MA Mobile Service MAC Management Ad Hoc Committee (TR-41) MAC Media Access Control MACA Mobile Assisted Channel Allocation MAH Mobile Access Hunting MAHO Mobile Assisted Handoff MAP Media Access Procedure MAP Mobile Application Part MAPI Messaging API MAPI Microsoft API MASA Multimedia Services Affiliate Forum MATV Master Antenna Television MAWG Message Attachment Work Group MB Macro Block MBA Macroblock Address (H.263) MBE Multi-Byte Extension MBFT Multipoint Binary File Transfer MBMP Modem Bank Management Protocol MBN Multiservice Broadband Networks MC Message Center MC Multipoint Controller (H.323) MCBPC Macroblock type & Coded Block Pattern for Chrominance MCC Mobile Country Code MCC Modem Control Channel MCCC Multiple Concatenated Convolutional Codes MCD Mobile Communications Division MCF Message Confirmation (T.30) MCID Multi-line Caller Identification MCM Multi-Carrier Modulation MCP Motion Compensated Prediction MCPE Motion Compensated Prediction Error MCNS Multimedia Cable Network System Mcps Megachips per second MCS Multi-point Control Services (T.122) MCU Multi-point Control Unit MCV Multipoint Command Visualization MD-IS Mobile Data Intermediate System MD Manufacturer Defined MDBS Mobile Data Base Station MDC Manufacturer Declaration of Conformity MDC Multiple Description Coding MDCP Media Device Control Protocol MDCR Minimum Desired Cell Rate MDELFEXT Multiple-Disturber Equal-Level Far-End Crosstalk MDF Mux Data Frame MDI Medium Dependent Interface MDLP Mobile Data Link Protocol MDN Message Disposition Notification MDN Mobile Directory Number MDTP Multi-network Datagram Transmission Protocol MDU Multi-Dwelling Unit ME Mobile Equipment ME Motion Estimation MED Multiplexer Entry Descriptor Megaco MEdia GAteway Control Protocol (IETF) Megacop MEdia GAteway COntrol Protocol MEI Multiple Extension Interworking MEI Multiple Extension In use (TIA/EIA-777-A) MELP Mixed Excitation Linear Prediction MER Message Error Rate MERS Minimal Essential Requirements M-ES Mobile End System MES Mobile Earth Station MF fully protected hybrid systems (FCC Part 68 Form 730) MF Multi-tone Frequency MFJ Modified Final Judgment MFP Multi-Function Peripheral MFPA Multi-Function Peripheral Association MFPI Multi-Function Peripheral Interface MFPL Multi-Function Peripheral Language MFPP Multi-Function Packet Protocol MG Management Group MG Media Gateway MGC Media Gateway Controller MGCP Media Gateway Control Protocol MGT Mobile Global Title MH MultiHypothesis motion pictures (H.26L) MHEG Multimedia and Hypermedia Experts Group MHP Multimedia Home Platform MHS Message Handling System X.400 MI Miscellaneous Work Item (ETSI) MI Mode Indicator MIB Management Information Base MIGG MRA Implementation Guide Group MIF Management Information File MII Ministry of Industry Information (China) MIM Man in the Middle MIME Multipurpose Internet Mail Extension MIMO Multi-Input-Multi-Output M-IN Multimedia Intelligent Networking MIN Mobile Identification Number MIN Mobile Intelligent Network MIP Mobile Internet Protocol MIPS Million Instructions Per Second M-IRS Modified IRS MIRS Multimedia Information Retrieval Services MIV Multipoint Indication Visualization ML Maximum Likelihood MLC Multiple Logical Channel MLP Multi-Layer Protocol MLPP Multi-Level Precedence and Preemption MLT Modulated Lapped Transform MLTS Multi-Line Telecommunications Systems M-LVDS Multipoint Low Voltage Differential Signaling MLWW Multi Layered Winding Wire MM Mass Media (FCC) MM Mobility Management MM MultiMedia MM Multimode MMAP Mobility Management Application Protocol (T1S1) MMBAN Multi Media Broadband Access Nodes MMC Multiple Modulus Conversion MMCF Multimedia Communications Forum MMCOI Multimedia Communications Community of Interest MMDS Multichannel Multipoint Distribution Service MMF Multi Mode Optical Fiber MMG Multimedia Management Group (ETSI) MMH-MAC Multilinear Modular Hash - Message Authentication Code MMI Man-Machine Interface (TTT Services) MMI Modem Management Interface MMITS Modular Multifunction Information Transfer System mml mobile multilink MMO Modem Managed Objects MMoMBN Multimedia over MBN MMR Modified Modified Read MMRA Model Mutual Recognition Agreement MMS Multimedia Messaging Service MMUSE Multiparty Multimedia Session Control MMUSIC Multiparty Multimedia Session Control (WG) MNA Management Network Architecture MNC Mobile Network Codes MNE Mobile Network Entity MNLP Mobile Network Location Protocol (IS-732-501) MNP4 Microcom Networking Protocol MNRP Mobile Network Registration Protocol MNRU Modulated Noise Reference Unit MO Mobile Originated MOCS Managed Objects Conformance Statements MODB Macroblock mode for B-blocks MoDSL Modems over DSL MOH Modem on Hold MoIP Modems over Internet Protocol MOPS Million Operations Per Second MOS Mean Opinion Score MoU Memorandum of Understanding MOU Memorandum of Understanding MP Modulation Parameter MP Multipoint Processor (H.323) MPC Mobile Position Center MPCI Mobile Protocol Capability Indicator MPD Mode Power Distribution MPE Maximum Permissive Exposure MPEG Motion Picture Experts Group MPI Minimum Picture Interval MPh Half Duplex Modulation Parameters in the V.34 negotiation MPL Multiplex Payload Length field MPLS Multi-Protocol Label Switching MP-MLQ Multi-Pulse - Maximum Likelihood Quantizer MPOP Main Point of Penetration (where phone lines enter the residence) MPPC Microsoft Point to Point Compression MPS Minimum Performance Specification MPU Multiple Port Unit MQ Modified Quantization MQLVS Multi-Quality Layered Video Service MR Mode Request MR Modified Read MR MultiRate MRA Mutual Recognition Agreements MRC Mixed Raster Content MRD Market Requirements Document MRM Meeting Room Management MRP Markov Renewal Process MRPC Multipoint Remote Procedure Call MRU Maximum Receive Unit MS Management Services MS Mobile Station MS Mode Select MSAF Multimedia Services Affiliate Forum MSB Manufacturer Specified Blocks MSB Most Significant Bit MSBN MultiService Broadband Network MSC Message Sequence Chart MSC Mobile Switching Center MSC-BC Mobile Switching Center - Base Center MSCID Mobile Switching Center Identification MSCIN Mobile Switching Center Identification Number MSC-VBR Multi-mode Source Controlled Variable Bit-Rate MSD Master Slave Determination MSD Minimum Significant Difference MSDL MPEG-4 Syntactic Description Language MSDN Multi-Service Data Network MSE Mean Squared Error MSF Multiservice Switching Forum MSI Manufacturer Specific Information MSI Maximum Symbol Inversion MSID Mobile Station Identity MSIN Mobile Station INput (GSM) MSIN Mobile Subscriber Identification Number MSISDN Mobile Station ISDN MSJ Multiple Selective Reject MSLT Minimum Scan Line Time MSN Microsoft Network MSN multiple subscriber numbering MSO Markov Service Option (cdma2000) MSR Multi-Selective Reject MSR Market Service Requirement MSS Mobile Satellite Services MSSF Multi Service Switching Forum MST MESSAGE TYPE field MSWG Mobile Services Working Group (NAFTA/CCT) MT Mobile Terminal MT Mobile Terminated MT Mode Toggle MT Type of commercial fiber optic connector MT2 Cellular User's Mobile Termination MTA Major Trading Area MTA Multimedia Terminal Adapter (SG9) MTA Multimedia Terminal and Applications MTH Module Telecom Home MTIE Maximum Time Interval Error MTM Mobile Test Model MTP Message Transfer Part MTP Message Transfer Point MTP Multicast Transport Protocol MTP/SO Multiple Transport Protocol/Self Organizing MTS Methodology of Test Suites MTS Methods for Testing and Specification (ETSI TC) MTSO Mobile Telephone Switching Office MTTCM Multi-tone Turbo Trellis Coded Modulation MTU Maintenance Terminating Unit MTU Maximum Transfer Unit MTU Multiple Terminal Unit (DSL Forum) MUB Multi-Use Bearer Service MUT Modem Under Test MUTOA Multi-User Telecommunications Outlet Assemblies MUX Multiplexer MV Membership Vote (ETSI) MV Motion Vector MVA Multipoint Visualization Achieved MVC Mobile Video Coder MVC Multipoint Visualization Capability MVD Motion Vector Data MVNO Mobile Virtual Network Operator MVPD Multi-channel Video Programming Distributor MVR Multipoint Visualization Refused/Revoked MVV Multirate/VAD VBR MW Mid Wave MWC Multi-Way Calling MWI Message Waiting Indication MWIF Mobile Wireless Internet Forum MWN Message Waiting Notification -NN Newtons NA Network Aspects (ETSI TC) NA North America NAB National Association Of Broadcasters NACK Negative Acknowledgment NACLA National Cooperation for Laboratory Accreditation NAFTA North American Free Trade Agreement NAG Network Architecture Group (DSL Forum) NAG Network Reference Models, Acronyms and Definitions, and Guide to Standards Ad Hoc (TIA TR-45) NAI Network Access Identifier (RFC 2468) NAK Negative Acknowledgment NAK-NS Negative Acknowledgment - Not Supported NAK-NU Negative Acknowledgment - Not Understood NAL Network Adaptation Layer NALAG Network Adaptation Layer Ad hoc Group NAM Number Assignment Module NAMPS Narrowband AMPS NANC North American Numbering Council NANP North American Numbering Plan NANPA North American Numbering Plan Administrator NAP Network Access Provider NAPT Network Address Port Translation NAPTR Naming Authority Pointer NAR Numbering, Addressing and Routing Committee of ETSI NA2 NASNA National Association of State 9-1-1 Administrators NAS Network Access Servers NASRNG Network Access Server Requirements NAT Network Address Translation NATA North American Telephone Association NATO North Atlantic Treaty Organization NAVDEC Network Access Server and Voice on IP Device Control NA/WCPE North American WCPE NB Narrow Band NBC Non-backward Compatible NBDG New Business Development Group NBS Net Broadcast Service NBS Network Based Solution NBSP NarrowBand Signal Power NC Network Codes NCA Non-Call Associated NCAG Network Commonality Ad Hoc Group NCG Number Consulting Group (Bellcore) NCaps Capabilities with No sub-fields NCAS Non-Call Associated Signaling NCITS National Committee for Information Technology Standards NCP Network Connection Point NCRP National Council of Radiation Protection and Measurement NCS Network-based Call Signaling NCS Nurse Call System NCTA National Cable Television Association NCTE Network Circuit Terminating Equipment ND NSF Message data Indication NDA Non-Disclosure Agreement NDB Networked DataBase Service NDC National Destination Code (ITU) NDIS Network Driver Interface Specification NDSS Network Directed System Selection NE Network Element NE Network Entity NEBS Network Equipment Building System, a Bellcore environmental requirements specification NEC National Electric Code (U.S.) NECA National Electrical Contractors Association NECQ National Electronic Components Quality Assessment System NE-EC Near End - Echo Canceller NEMA National Electrical Manufacturers Association NENA National Emergency Number Association NESC National Electric Safety Code NET Norme Europeenne de Telecommunication NEW FORUM Former COCOM NEXT Near End Cross Talk NFPA National Fire Protection Agency ng Next Generation NGDLC Next Generation Digital Loop Carrier NGN Next Generation Network NGN SG Next Generation Network Starter Group NGOF Next Generation Optical Fiber NGOSS New Generation Operations Support Systems (TM Forum) NGSO Non-Geostationary Satellite Orbit NHRP Next Hop Resolution Protocol NHTSA National Highway Traffic Safety Administration NI National ISDN NI Network Interface NIA Network Indicate Address (H.230) NIBS National Institute for Building Standards NIC Network Interface Card NID Network Identification NID Network Interface Device NID Network Interface or Demarcation NIDAB Narrow Band Digital Broadcasting NII National Information Infrastructure NIO Network Input Output NIP Number Identification Presentation NISDN National ISDN NIST National Institute of Standards and Technology N-ISDN Narrowband ISDN N-ISUP Narrowband ISDN User Part NIU Network Interface Unit NIUF North American ISDN Users Forum NLD Non-Linear Distortion N-LLC Narrowband Logical Link Control NLP Non-Linear Processor nm Nanometer NM Network Management NMAG Network Management Ad hoc Group NMC Network Management Center NMC Network Model Coverage NMDS Narrowband Multi-service Delivery System NMF Network Management Forum NMS Network Management System NMSI National Mobile Station Identification NMT Nordic Mobile Telephony NMX Normas Mexicanas (non-mandatory Mexican standard) NNI Network to Network Interface NOF Network Operations Forum NOI Notice of Inquiry NOM Mexican National Standards NO PROBLEM NOn PROprietary reliaBLe Electronic Mail NP Network Provider NP Non-Public NP Number Portability NPA Network Provider Access NPA Numbering Plan Area NPI Numbering Plan Indicator NPID Network Provider Identification NPR Noise Power Ratio NPRM Notice of Proposed Rule Making (FCC) NPRP Number Portability Routing Protocol (ETSI TIPHON Project) NR Noise Reduction NR Nordstrom-Robinson (FEC) NRA National Regulatory Authority NRC Negotiated Rulemaking Committee NRC Network Reliability Council NRIC National Reliability and Interoperability Commission NRM Network Reference Model NRTL Nationally Recognized Testing Laboratory NRZ Non-Return to Zero NRZI Non-Return to Zero on Ones NS-cap Non-Standard capability NS/EP National Security and Emergency Preparedness NSA National Security Agency (U.S.) NSAP Network Service Access Point NSB National Standardization Body NSC Non-Standard Facilities Command NS/EP National Security/Emergency Preparedness NSF Network-Specific Facilities NSF Non-Standard Facilities NSIE Network Security Information Exchange NSMA National Spectrum Managers Association NSO National Standard Organization NSP Network Service Provider NSRA Normal Seamless Rate Adaptation NSRP Numbered SRP response frames NSS Non-Standard Setup NSTAC National Security Telecommunications Advisory Committee NT Network Termination NTCA National Telephone Cooperative Association NTE Network Terminating Equipment NTIA National Telecommunications and Information Administration NTP Network Termination Point NTP Network Time Protocol NTQ Near Toll Quality NTR Network Timing Reference NTR Network Timing Reference marker NTRAC New Technical Regulations Approval Committee (former TRAC), ETSI NTSC National Television System Committee NTU Network Terminating Unit NVCASE National Voluntary Conformity Assessment System Evaluation NVLAP National Voluntary Laboratory Accreditation Program NVOD Near Video on Demand NVRAM Non-Volatile RAM NWK Network, Layer 3 of the WCPE protocol stack NYCE Certification Body accredited by SECOFI (Mexico) -OO&M Operations and Maintenance O&NM Operations and Network Management working group (DSL Forum) O&P Ordering & Provisioning Committee (ATIS) OA&M Operations, Administration, and Maintenance OAA On Air Activation OAM Operations, Administration, and Maintenance OAM&P Operations, Administration, Maintenance & Provisioning OAN Optical Access Network OAP One step Approval Procedure (ETSI) OAS Organization of American States OATS Over-the-Air Activation TeleService OBMC Overlapped Block Motion Compensation OBF Ordering and Billing Forum OBP On-Board Processing OC Operation Channel OCCS Overall Construction Classification System OCD Out of Cell Delineation (UNI 3.0) OCDMA Orthogonal CDMA OCG Operational Coordination Group (ETSI) OCG Overall Coordination Group OCI Open Circuit Interval OCR Optical Character Recognition ODA Open Document Architecture ODBC Open DataBase Connectivity ODL Object Definition Language ODP Open Distributed Processing ODP Originator Detection Pattern (V.42) ODTC Office of Defense Trade Controls (US) OEM Original Equipment Manufacturer OET Office of Engineering and Technology (FCC) OFB Output Feedback OFDM Orthogonal Frequency Division Multiplexing OFS Operational Fixed Service (Microwave) OFSTP Optical Fiber Systems Test Procedure Oftel British Office of Telecommunications OGM Out-Going Message OHG Operator Harmonization Group OI Outline of Investigation OID Object Identifiers OIW Open Systems Implementers Workshop OJ Official Journal OJEC Official Journal of the European Communities OLC Open Logical Channel OLR On-Line Reconfiguration OLR Overall Loudness Rating OLT Optical Line Termination OM Object Model OM Optical fiber Multimode category OMCI Operation, Management and Control Interfaces OMG Object Management Group OMT Overhead Message Train ONE Other Network Entities (Omega Networks) ONP Open Network Provision ONS On Premise Station ONT Optical Network Termination ONU Optical Network Unit OOB Out of Band OOF Out of Frame OPASTCO Organization for the Promotoion and Advancement of Small Telecommunications Companies OpenVoB Voice over Broadband http://www.openvob.org OPS Off Premise Station OPTIS Overlapped PAM Transmission with Interlocking Spectra OPTS Over-the-Air Programming Teleservice O-QAM Orthogonally multiplexed QAM ORDQ Order Qualification ORREQ Origination Request OS Operating System OS Optical fiber Singlemode category OSH Occupational Safety and Health OSHA Occupational Safety and Health Administration (U.S.) OSI Open Switching Interval OSI Open System Interconnection OSN One Stop Notification OSP Open Settlement Protocol OSP OutSide Plant OSPF Open Shortest Path First OSS Operations Support Systems OTA Over-the-Air Activation OTAFG OTA Focus Group OTAPA Over-the-Air Parameter Administration OTAR Over-the-Air Rekeying (APCO Project 25) OTASP OTA Service Provisioning OTDR Optical Time Domain Reflectometer OTFI One Time Feature Indicator OTI Open Telecom Infrastructure -PP Predicted (Q6/16, VCEG) P&A Privacy and Authentication PA Partial Agreement PA Pass Along (Operation code) PABX Private Automatic Branch eXchange PAC Program Advisory Committee PACA Priority Access and Channel Assignment PACA-E Enhanced Priority Access and Channel Assignment Supplement Service PACC Partition, Aggregation and Conditional Coding PACS Personal Access Communications System, Licensed Band PAC-U Personal Access Communications System, Unlicensed Band PAD Packet Assembler Disassembler PAG Practical Application Guidelines PAGODA Profile Alignment Group on ODA PAL Phase Alteration Line PAM Pulse Amplitude Modulation PAMS Perceptual Analysis/Measurement System PAR Peak to Average Ratio PAR Pixel Aspect Ratio PAS Publicly Available Specification PASC PCS Access Service for Radio Controllers PB Personal Base PB Predicted and Bi-directional PBNM Policy Based Network Management PBO Power Back Off PBS Personal Base Station PBX Private Branch Exchange PC Personal Computer PC_SSN Point Code Sub-System Number PCA Password Call Acceptance PCA Policy Group proposal on CA PCB Power Cut Back PCC Per Call Control PCC Pre-activation Communications Channel PCC Private Control Channel PCC 1 Permanent Consultative Committee (CITEL) PCCA PCMCIA Communication Card Association PCCA Portable Computer Communications Association PCCC Parallel Concatenated Convolutional Codes PCF Personal Call Forwarding PCF Picture Clock Frequency PCH Paging Channel PCI Peripheral Component Interconnect PCI Programmable Communications Interface PCI Protocol Capability Indicator PCIC Petroleum and Chemical Technical Conference (IEEE IAS) PCI SIG Peripheral Component Interconnect Special Interest Group PCIA Personal Communications Industry Association PCL Power Line Communication PCM Pulse Code Modulation PCMCIA Personal Computer Memory Card International Association PCME Packet Circuit Multiplication Equipment PCN Personal Communications Network PCR Program Clock Reference PCS Personal Communication Services PCSAP PCS Application PCSC Personal Communications Switching Center PCSD Personal Communications Services Description PCT Pairwise Correlating Transform PD Plugfest Document PD Powered Device PD Proposed Draft PDAM Proposed Draft Amendment PDC Personal Digital Cellular PDD Post Dial Delay PDE Position Determining Entity PDE Primary Designated Engineer (UL) PDF Portable Document Format pdf probability distribution function PDH Plesiocronous Digital Hierachy PDH Primary Digital Hierachy PDL Polarization Dependent Loss PDN Packet Data Network PDS Phase Dithering Sequence PDU Protocol Data Unit PDTR Proposed Draft Technical Report PDU-MUX Protocol Data Unit Multiplexer PDV Packet Delay Variation PE Policy Enforcement element PE Poly Ethylene PE Public Inquiry (ETSI) PEAQ Perceptual Evaluation of Audio Quality (ITU-R rec. BS.1387) PED Portable Electronic Device PEF Proxy Element Function PER Packed Encoding Rules PER Parameter Error Rate PESQ Perceptual Evaluation of Speech Quality PEX ETSI Help Desk for Conformance PEXT Premises End Crosstalk PF Presence Function PFD Power-flux Density PHB Per-Hop forwarding Behavior PHCF Hard Polymer Clad Fiber PHP Personal Handy Phone PHS Personal Handyphone System PHY Physical Layer PIB Personal Information Base PIC Primary / Presubscribed Interexchange Carrier PICS Protocol Implementation Conformance Statement PID Protocol ID PIN Personal Identification Number PIN T.30 procedural interupt negative PINS Project Initiation Notification System (TIA) PINT PSTN Interworking (IETF) PINX Private Integrated Network Exchange PIP T.30 procedural interupt positive PISN Private Integrated Services Network PIXIT Profile Initialization for Test Cases PKCS Public Key Cryptography Standards PKI Public Key Infrastructure PL Physical Layer PL Preferred Language PL Program Lock PLAR Private Line Auto Ring PLC Power Line Communication PLI Power Line Interference PLL Phase Locked Loop PLMN Public Land Mobile Network PLMTS Public Land Mobile Telecommunications System PLOAM Physical Layer Operations, Administrations and Maintenance PLS Physical Layer Specification PLT PowerLine Telecommunications PM Phase Modulation PM Performance Management PM Processable Mode PMC Packet Mode Channel PMC Project Management Committee (ETSI) PMCC Packet Mode Channel Connect PMCE Packet Mode Channel Element PMCH Packet Mode Channel Call Control PMCH Packet Mode Channel Handler PMD Physical Media Dependent layer PMD Polarization Mode Dispersion PMM Protocol Management Module PMMS Power Measurement Modulation Session PMP Point to MultiPoint PMR Peak-to-Mean Ratio PMS Physical Media Specific PMS-TC Physical Media Specific - Transmission Convergence PMT Program Management Team PN Project Number (TIA) PNE Production of Norms in Europe PNNI Private Network to Network Interface P-n-P Plug and Play PNT Phone-line Network Transceiver POC Points of Contact (LBC) POC Postal Operations Council POC Proof-of concept POC Public Operator's Code POCSAG Post Office Code Standardization Advisory Group (UK) PoD Packet transport over DSL PoDSL Packet over DSL POF Plastic Optical Fiber POF Private Operating Frequencies PON Passive Optical Network POPs Points of Presence POS Packet-over-SONET POTS Plain Old Telephone Service PoV Packet over VDSL PoV-TC Packet over VDSL - Transmission Convergence Layer PoW Poor or Worse PP Portable Part PPD Proposal Package Description PPDN Public Packet Data Network PPI PCS to PCS Interference PPM Parts Per Million PPP Point-to-Point Protocol PPPoA PPP over ATM PPPoE Point to Point Protocol over Ethernet pps pulses per second PQ Priority Queuing PR Public Relations PR&A Project Request and Authorization PRA Primary Rate Access PRBS Pseudo-Random Bit Sequence PRC Premium Rate Charging PRC Private Channel PRD Pseudo-Random Downstream Sequence PRI Primary Rate Interface (ISDN) PRM Performance Report Messages PRNS Pseudo Random Noise Sequence PRO Planning and Reporting Officer PROM Programmable ROM PS PCSC ISDN Switch PS Product Safety PSA Polled SubAddress PSAP Public Safety Answering Point PSC Picture Start Code PSD Power Spectral Density PSDN Public Switched Data Network PSDS Public Switched Digital Service PSE Power Source Element PSE Power Sourcing Equipment PSELFEXT Power Sum Equal Level Far-end Crosstalk PSI-CELP Pitch Synchronous Innovation CELP PSID Private System ID PSIDS Private System ID Service PSK Phase Shift Key PSN Private Switched Network PSNEXT Power Sum Near-end Crosstalk PSNR Peak Signal to Noise Ratio PSP Public Service Profiles PSPDN Packet Switched Public Data Network PSQM Perceptual Speech Quality Measure (ITU Rec. P.861) PSS1 Private Network Signaling System 1, defined by ISO PSTN Public Switched Telephone Network PSWG Product Safety Working Group (Trilateral) PT Portable radio Terminal PT Project Team (ETSI) PTC PictureTel Transform Coder PTCC Pex & Testing Competence Center (ETSI) PTM Packet Transfer Mode PTN Public Telecommunications Network (TIPHON) PTN Private Telecommunications Organizations PTNO Public Telecommunications Network Operator (TIPHON) PTO Private Telecommunications Organizations PTPCP Peer-To-Peer Control Protocols PTS Pay Terminals and System PTS Payphone Terminals and System PTS Pay Terminal System PTSP PNNI Topology State Packet PTT Public Telephone and Telegraph PTT Push to Talk PUA Personal User Agent PUC Public Utilities Commission PUM Personal User Mobility PVC Permanent Virtual Circuit PVC Poly Vinyl Chloride PWA Password Access PWD Password (T.30) PWG Printer Work Group PWT Personal Wireless Telecommunications PWT-E Personal Wireless Telecommunications - Enhanced Interoperability Standard -QQ&A Question and Answer QADM Quadrature Audio Data Modulation (VoiceSpan [TM]) QAM Quadrature Amplitude Modulation QBD QoS Bearer Descriptor QC Quick Connect QCA Quick Connect Acknowledge QCELP Qualcomm's proprietary version of CELP QCIF Quarter CIF Q-Mode Quiescent Mode (Q4/15) QoS Quality of Service (also QOS) QoSM Quality of Service Manager QP Quantization Parameter (H.262) QPSK Quadrature Phase Shift Keying QS Quality Scalability QSDG Quality of Service Development Group QSIG The signaling protocol used at the Q-interface between two switches in a private network. ECMA/ISO have defined a set of QSIG standards. QUANT Quantization parameter QUEST Quality Excellence for Suppliers of Telecommunications -RR&O Report and Order R&TTE Radio and TTE (Telecommunications Terminal Equipment) Directive RAB Registrar Accreditation Board RACF Radio Access Control Function RACH Random Access Channel RADIUS Remote Access Dial-In User Server RADSL Rate-Adapting ADSL RAI Remote Alarm Indication RAL Restricted Access Location RAM Random Access Memory RAM Remote Access Multiplexer (DSL Forum) RAMA Resource Auction Multiple Access RAN Radio Access Network RAND Random Challenge Memory RAS Registration, Administration, and Status RAS Remote Access Server RASC Radio Access System Controller RAST Receive And Send Terminal RATERQ Rate Request RB Radiocommunications Bureau (ITU-R) RBAF Radio Bearer Adaptation Function RBB Residential BroadBand RBER Residual Bit Error Rate RBTESC Routing, Bridging, and Transfer of Emergency Service Calls RBOC Regional Bell Operating Company RBS Robbed-bit signaling RBW Resolution BandWidth RCC Return Channel for Cable RCDD Registered Communications Distribution Designer R-CELP Renewal CELP RCELP Residual CELP RCF Radio Control Function (T1P1) RCF RegistrationConfirm RCF Registration Control Field RCF Remote Call Forwarding RCH Random Access Channel RCP Radio Control Protocol RCPC Rate Compatible Punctured Convolutional RD or R-D Rate Distortion RDC Remote Device Control RDI Remote Detect Indication (VC-RDI) RDQ Rate-Distortion constrained Quantization RDS Requirements Definition Study REA Rural Electrification Association REC RECeive alarm REJ Reject RELP Residual Excited Linear Prediction REN Ringer Equivalence Number REQ-MP Request Mode Proposal REQ-MR Request Mode Request RES Radio Equipment Systems RESNA Rehabilitation Engineering and Assistive Technology Society of North America RESCAP Resource Capabilities discovery REVAL Procedure for Evaluation of Radio Technologies for FPLMTS RF Radio Frequency RF Resolution Function (TIPHON) RFC Designation for an IETF Standard RFC Remote Feature Control RFC Request for Comments (IETF) RFDB Resolution Function Data Base (TIPHON) RFER Residual Frame Error Rate RFI Radio Frequency Interference RFI Request for Information RFO Remote Foreign Office RFP Radio Fixed Parts RFP Request for Proposal RFQ Request for Quotation RFT Remote Feeding Telecommunication (circuits) RFT-C Remote power Feeding Telecom - Current limited RFT-V Remote power Feeding Telecom - Voltage limited RG Residential Gateway RGB Red Green Blue RGIP Residential Gateway Internal Protocol RH Multiple HDLC Receive RIP Request In Process RIPE Regional Internet Registry for Europe RJ Registered Jack RL Return Loss RLAN Radio Local Area Network RLP Radio Link Protocols RLR Receive Loudness Rating RM Simple Facsimile Receive RMI Remote Method Invocation RMMIE Remote Modem Management Information Exchange RMOA Realtime Multimedia Over ATM (ATM Forum) RM-ODP Reference Model for Open Distributed Processing RMP Reliable Multicast Protocol RMS Root Mean Square RNR Receiver Not Ready ROAMOPS Roaming Operations Task Force ROC Report on Comments ROLR Receive Objective Loudness Rating ROM Read Only Memory ROP Report On Proposals ROSE Remote Operations Service Element (X.219 and X.229) ROT Receive Only Terminal RP Radio Ports RP Reference Points RP-AS Ringing, Pulse-Alerting Signal RPC Remote Procedure Call RPCU Radio Port Control Unit RPE Regular Pulse Excitation RPF Remote Power Feed RPP Reverse-Pair Positioning RPR Reference Picture Resampling RPS Reference Picture Selection RPWM Rules of Procedure and Working Methods RQV Running Quality Value RR Resource Record (TIPHON) RR Registration Reject RRJ Registration Reject RRQ Registration Request RRU Reduced Resolution Update RS Radio System RS Radiocommunications Sector - ITU- (CCIR) RS Reed-Solomon (code) RS Rectangular Slice RS Resolution Services (TIPHON) RSA Public Key Cryptosystem invented by Rivest, Shamir and Adleman RSA Rural Service Area RSDN Regional Switched Digital Network RSF Residential Standards Forum RSGCP Reliable Signaling Gatway Control Protocol RSGP Reliable Signaling Gateway Protocol RSID Residential System Identification RSL Reference System Lab RSSI Received Signal Strength Indication RSVP Resource Reservation Setup Protocol (IETF) RT Remote Terminal RT Round Trip RTC Return to Control (T.4) RTCA Radio Technical Commission for Aeronautics RTCP Real-time Transport Control Protocol RTD Round Trip Delay RTE Remote Terminal Equipment RTF Radio Terminal Function RTLM Real Time Link Management RTP Real Time Transport Protocol (IETF) RTR Revised Technical Report (ETSI) RTS Request to Send RTS Revised Technical Specification (ETSI) RTS-CTS Request to Send - Clear to Send RTSP Real-Time Streaming Protocol RTT Radio Transmission Technologies RTTE Radio and Telecommunication Terminal Equipment RTU Right to Use RTX Request Retransmission RTYPE Rounding Type RUFP Reflected Unique Findable Pattern RVLC Reversible Variable Length Codes RX Receive RZ-SSB Return to Zero SSB -SS&R Segmentation and Re-assembly S/ATT Satellite Analog Tie Trunk (TIA-646-B) S/DTT Satellite Digital Tie Trunk (TIA-646-B) S/N Signal-to-Noise S/T Logical interface between xTU-R and user terminal equipment SA1 Systems Aspects - Services (3GPP Committee) SAA-AMS Service Aspects and Applications - Audio/Visual Multimedia Services SAAC Syntax-Based Adaptive Arithmetic Coding SABM Set Asynchronous Balanced Mode SABME Set Asynchronous Balanced Mode Extended SAC Service Access Code SAC Subscriber Access Control SAC Syntax-based Arithmetic Coding SACCH Slow Associated Control Channel SAD Sum of Absolute Differences SAE Society of Automotive Engineers SAFE SeAmless, Fixed-overhead Efficient (framing) SAFER Secure and Fast Encryption Routine SAGE Security Algorithms Group of Experts SAID Serving Area ID SAM Synchronous Access Mode (V.80) SAMPS System Assisted Mobile Positioning through Satellite (TDMA Third Generation Wireless) SANC Signaling Area Network Code SAP Segmentation Application Part SAP Service Access Point SAP System Application Procedure SAPI Service Access Point Identifier SAR Segmentation And Re-assembly SAR Specific Absorption Rate SAS Smart Antenna Savvy SAS Subscriber Alerting Signal SASET Secure Audio SET SAT Satellite SAT Satellite ATM SAVD Simultaneous or Alternating Voice Data SBC Southern Building Code S-BCCH Short Message Service Broadcast Control Channel SBE Single Byte Extension SBI Sub-Bitstream Indicators SBID Stuff Bit ID SBM Single Bitmap SBSD Supplementary and Bearer Service Description (T1S1) SC Steering Committee SC Service Capability SC Subscriber Confidentiality SC Type of commercial fiber optic connector (Push-Pull) SCA Selective Call Acceptance SCaps Capabilities with Sub-fields SCC Standards Coordinating Committee (IEEE) SCC Standards Council of Canada SCCC Serial Concatenated Convolutional Code SCCH Single Cell Control Channel SCCP Signaling Connection Control Part (SS7) SCD Service Capability Definition SCELP Spike Code Excited Linear Prediction SCF Service Control Function SCF Shared Control with Feedback SCF Supervisory and Control Function SCF Synchronization and Convergence Function SCF System Communication Function SCM Single-Carrier Modulation SCM Station Class Mark SCM Sub-Carrier Multiplexing SCN Switched Circuit Network SCOT Steering Committee on Telecommunications SCP Service Control Point SCR Selective Call Rejection SCSA Signal Computing System Architecture SCSC SubCommittee on Standards and Conformance (APEC) SCSI Small Computer System Interface SCT Strathclyde Compression Transform SCT Simple Control Transmission Protocol SCT Mexican Ministry of Communications and Transports SCTE Society of Cable Television Engineers ScTP Screened Twisted Pair SCTP Stream Control Transmission Protocol SCV Specialized Codec VBR SD Spectral Data SD Super Domain SDB Switched Digital Broadcast SDC Supplier's Declaration of Conformity (also SDOC) SDCC Supplementary Digital Color Code SDCCH Standalone Dedicated Control Channel SDD Stutter Dialing Device SDF System Directory Function SDH Synchronous Digital Hierarchy SDL Structure Description Language SDMT Synchronized DMT SDO Standards Development Organization SDoC Suppliers Declaration of Conformity (also SDC) SDP Session Description Protocol SDPng SDP Next Generation SDR Sequence Determined Redundancy SDSAF Switched Digital Services Applications Forum SDSL Simultaneous DSL SDSL Symmetrical high bit rate Digital Subscriber Line SDSS Server Display And Script Services SDT Stutter Dial Tone SDU Service Data Unit SE Synchronous Editing SEAD Software Encryption Algorithm for Data Services SEBCH Systematic Extended Bose, Chaudhuri, and Hocquengham SEC ETSI Security Technical Committee SECOFI Mexican Ministry of Commerce and Industrial Development SEI Supplemental Enhancement Information SELV Low Voltage associated with digital circuits (IEC 950) SEP Selective Polling (T.30) SERVNOT Service Notification SES Severely Errored Second SES Standards Engineering Society SET Simple Endpoint Types SF Single Frequency SF Superframe SF Synchronization Flag SfDLy Superframe reconfiguration Delay number (Q4/15) SFF Small Form Factor SFlgSf Synch Flag Superframe number (Q4/15) SFR Special Function Registers SG Signaling Gateway SG Study Group (ITU) SGCI Simple Gateway Control Interface SGCP Simple Gateway Control Protocol SGFS Special Group for Functional Standards SGMM MultiMedia Study Group SGSN Serving GPRS Support Node SHDSL Single-line High Speed DSL SHO Soft Handoff SI Signaling Intelligence SI Still Image SIA Security Industry Association SIA Semiconductor Industry Association SID Send Identifier SID Silence Insertion Descriptor SID System Identification SIF Standard Interchange Format SIG Special Interest Group SIGTRAN Signaling transport (IETF) SIM Subscriber Identity Module SIMD Single-Instruction, Multiple Data SIN System Identification Network SIO Scientific or Industrial Organization (ITU member) SIP Session Initiation Protocol (IETF) SIPTEL Session Initiation Profile for Internet Telephony, an IETF BoF group, which was a precurser to the IETF Working Group iptel (IP Telephony) SIR Signal to Interference Ratio SIRD Service Independent Requirements Definition SIT Special Information Tone SIU Subscriber Interface Unit SLA Service Level Agreement SLB Sequential Link Bring-up (V.MoIP) SLC Subscriber Loop Carrier SLC Start of Layer Data SLD Second Level Domain SLE Screen List Editing SLER Signal to Listener Echo Ratio SLIC Subscriber Line Integrated Circuit SLIM Simple Legislation for the Single Market SLP Service Location Protocol SLR Send Loudness Rating SM Service Management SM Single Mode SM Spectrum Management SMALL Short Multiplexed AAL SMATV Satellite Master Antenna Television SMD Short Message Delivery SMDB Short Message Delivery Broadcast SMDBACK Short Message Delivery Backward SMDFWD Short Message Delivery Forward SMDM Short Message Delivery Multipoint Bearer Service SMDPP Short Message Delivery Point-to-Point Bearer Service SMDS Switched Multi-megabit Data Service SME Short Message Entity SME Signaling Message Encryption SME Small-to-Medium sized Enterprises SME Subject Matter Expert SMEKEY Short Message Encryption Key SMG Special Mobile Group SMI Structure of Management Information SMM Spectrum Management Methodology SMMI Single Man Machine Interface SMPTE Society of Motion Picture and Television Engineers SMR Specialized Mobile Radio SMS Service Management System SMS Short Message Service SMSA Standard Metropolitan Statistical Area SM-SC Short Message Service Center SMSC Short Message Service Center SMSC SMS-call SMSREQ Short Message Service Request SMTP Simple Mail Transfer Protocol SMV Selectable Mode Vocoder SN Scaling Number SN Service Node SNA Synchronous Network Architecture SNDCP Sub Network Dependent Convergence Protocol SNHC Synthetic-Natural Hybrid Coding SNI Service Node Interface SNI SMS Notification Indicator SNI Standard Network Interface SNMP Simple Network Management Protocol (IETF) SNR-LP SNR scalable coding with Leaky Prediction SNR Signal to Noise Ratio SOA Semiconductor Optical Amplifier SOC System Operator Code SOHO Small Office Home Office SOI Start of Image SOM Self-Organizing Multicast SONET Synchronous Optical Network SOP Standard Operating Procedure SOS Speech Option Selection SOT Send Only Terminal SOVA Soft Output Viterbi Algorithm SP Service Provider SP Standards Proposal (TIA Industry Ballot) SP Study Point (ETSI) SP Switchable-P [frames] SPA Service Provider Access SPACH Short Message Service, Paging Channel and Access Response Channel SPAI Service Provider Access Interfaces SPAN Services and Protocols for Advanced Networks (ETSI TC) SPAR Service Provider Access Requirements (ETSI SPAN) S-PCN Satellite Personal Communications Network S-PDU Supervisory PDU SPH Service Profile at the Home location spi spots per inch SPI Standard Programmatic Interface SPIFF Still Picture Interchange File Format SPINA Subscriber Personal Identification Number Access SPINI Subscriber Personal Identification Number Intercept SPC Single Parity Check SPC System Programming Code SPIRITS Service in the PSTN/IN Requesting InTernet Service (IETF) SPL Sound Pressure Level SPNE Signal Processing Network Equipment S-PRBS Single cycle - Pseudo Random Bit Sequence SPRT Simple Packet Relay Transport SPS Signaling Protocols and Switching SPS Signaling Protocol And System Technical Committee (ETSI) SPS5 SPC Signaling, Protocols and Switching Stored Program Controller (ETSI) SPTT Signal Processing Transmission Terminals SPV Service Profile at the Visited location SPVC Switched Permanent Virtual Circuit SPWG Service Provider-focused Working Group (Trilateral) SQ Scalar Quantization SQCIF Sub-QCIF SQEG Speech Quality Expert Group SQL Structured Query Language S/R Suspend/Resume SR Special Report (Telcordia) SRA Seamless Rate Adaptation SRC Strategic Review Committee (ETSI) SRD Standards Requirements Document SRDB Selective Routing Data Base SREJ Selective Reject SRF Service Resource Function SRGB Standard RGB (Red Green Blue) SRL Secure Radio Link SRL Software Release Letter SRL Structural Return Loss SRM Standards Related Matters SRP Scalable Resource reservation Protocol SRP Server Requester Protocol SRTS Synchronous Residual Time Stamp SRU Signal Regenerator Unit SRU-R Signal Regenerator Unit - Remote SS Slice Structured SS Steady State SS Supplementary Services SS#5 Signaling System 5 SS#7, SS7 Signaling System 7 SS-CD Supplementary Services Call Deflection SS-CFB Supplementary Services Call Forwarding Busy SS-CFNR Supplementary Services Call Forwarding No Reply SS-CFU Supplementary Services Call Forwarding Unconditional SS-CI Supplementary Service - Call Intrusion SSCOP Service Specific Connecction Oriented Protocol SSCQE Single Stimulus Continuous Quality Evaluation SSCS Service Specific Convergence Sublayer SSD Shared Secret Data SSDSL Synchronized Symmetric Digital Subscriber Line SSE Sum of Squared Error SSF Service Switching Function SSFP Service Specific Face Plate SSG Special Study Group (ITU) SSI Signal Strength Indicator SSL Secure Sockets Layer SS-MCM Supplementary Services - Message Center Monitoring SS-MID Supplementary Services - Mailbox Identification SSN Sub-System Number SSO Speech Service Option SSOVP Solid State Primary Protectors SSP Service Switching Point SSPR System Selection for Preferred Roaming ST Type of commercial fiber optic connector (Bayonet) STANAG NATO Standardization Agreement STAG Security Techniques Advisory Group STB Set Top Box STC Sub-Technical Committee (ETSI) STD Simplified Trellis Decoder STDT Stutter Dial Tone STE Secure Terminal Equipment STF Specialist Task Force (ETSI) STG Special Task Group STG Special Topic Group STI Service Transport Interface STIT IEEE Subcommittee on Telephone Instrument Testing STL Software Tool Library STM Synchronous Transmission Mode STMR Sidetone Masking Rating STN Switched Telephone Network STP Set of Transmission Parameters (TM6) STP Shielded Twisted Pair STP Signaling Transfer Point STP Standards Technical Panel STQ Speech Transmission Quality STRE Side-Tone Reference Equipment STU Secure Terminal Unit STU SHDSL Transceiver Unit STU-C SHDSL Transceiver Unit - Central office end STU-R SHDSL Transceiver Unit - Remote Terminal End STU-III Secure Terminal Unit - III STS Short Term Stationary SU Subscriber Units SUB Sub-address (T.30) SUD Single Use Device SUR Survivability SVB Switched Video Broadcast SVC Switched Virtual Circuit SVD Simultaneous Voice Data SVF Simultaneous Voice and Facsimile SW Software SWELP Switched Excited Linear Predictive SWG Sub-Working Group -TT&E Technical & Engineering Committee (Telocator) T&I Testing & Interoperability (DSL Forum Working Group) T&IWG Testing & Interoperability Working Group (ADSL Forum) T&R Tip and Ring TA Technical Assembly TA Terminal Adapter TA Transmit Additional information TAAB Technical Ad hoc Advisory Board TAAC Telecommunications Advisory Committee TAB Tone above Band TABD Trans-Atlantic Business Dialog TAC Terminal-Aggregator Communication TAC Terminal Attachment Council TACS Total Access Communications Systems TAF Terminal Adoption Function TAG Technical Advisory Group TAP Traditional Approval Process (ITU, via Resolution 1) TAP Two-step Approval Process (ETSI) TAPAC Terminal Attachment Program Advisory Committee TAPI Telephony API TASA Telecommunications Access System Act TAWG Terminal Attachment Working Group TB Technical Body (ETSI) TB Turbo Block TBB Telecommunications Bonding Backbone TBCD Telephony Binary Coded Decimal TBD To be Determined TBG Technical Basis for Globalization TBH Technical Basis for Harmonized conformance TBI Ten Bit Interface TBR Technical Basis for Regulation (ETSI) TBRL Terminal balance return loss TC Technical Committee TC Telecommunications Closet TC Test Case TC Transaction Capabilities TC Trellis Coded TC Turbo Convolutional TCAM Telecommunication Conformity Assessment and Market Surveillance Committee (ETSI) TCAP Transaction Capabilities Application Part TC AT Technical Committee Access and Terminals (ETSI) TCB Telecommunications Certification Bodies TCBC Telecommunications Certification Bodies Council TCC Technical Correlating Committee (NEC) TCC Borland Turbo C++ Compiler TC-ERM ETSI Technical Committee on EMC and Radio spectrum Matters TCF Training Check (T.30) TCH Transparent Circuit Handling TC HF Technical Committee Human Factor (ETSI) TCIF Telecommunications Industry Forum (ATIS) TCL Transverse Conversion Loss TCLw Terminal Coupling Loss weighted TCM Time Compression Multiplex TCM Trellis Coded Modulation TCM-ISDN Time Compression Multiplexed ISDN TC-NA ETSI Technical Committee on Network Aspects TCOEF Transform Coefficient TCON Telenor Research's error concealment decoder T-CONT Traffic Container (G.983.dba) TCP Terminal Connection Point TCP Transmission Control Protocol TCPA Telephone Consumer Protection Act (1991) TC-PAM Trellis Coded Pulse Amplitude Modulation TCP/IP Transmission Control Protocol/Internet Protocol TC SP Technical Committee Speech Processing TC-SPS ETSI Technical Committee on Signaling Protocol and System TC-TM Technical Committees on Transmission and Multiplexing TCR-TR Technical Committee Report-Technical Report TCTL Tranverse Conversion Transfer Loss TD Temporary Document (ITU et al) TDD Task Data Descriptions (T.611 e-mail) TDD Telecommunications Devices for the Deaf TDD Time Division Duplexing TDF Transportable Document Format TDM Time Division Multiplex TDMA Time Division Multiple Access TDOA Time Difference of Arrival TDSO Test Data Service Option (cdma2000) TE Terminal Equipment (ETSI TC) TE Traffic Engineering TE2 Cellular User's Terminal Equipment TEC-LA Telecommunications and Electronic Consortium for Latin America TEDPA Telecommunications Equipment Distribution Program Association (www.tedpa.org) TEL Telephony (APEC WG) TELR Talker Echo Loudness Rating TEM TE Management Meeting TEM Transverse Electro Magnetic TEN Trans-European Networks TEN-Telecom Trans-European Telecommunications Networks TEP Talk Echo Protection TEQ Time Domain Equalizer TES Telecommunication Equipment Safety TETRA Trans European Trunked RAdio TFIG Task Force Implementation Group TFO Tandem Free Operation TFTP Trivial File Transfer Protocol (RFC 1350) TG Task Group TGB Telecommunications Grounding Busbar TGCP Trunking Gateway Control Protocol TH Tomlinson-Harashima THD Total Harmonic Distortion THL TransHybrid Loss TIA Telecommunications Industry Association TICS Transport Information and Control Systems TIES Telecom Information Exchange Services (ITU) TIES Time Independent Escape Sequence TIFF Tagged Image File Format TIFF-F Tagged Image File Format-Fax TIFF-FX Tagged Image File Format-Fax (RFC 2301) TIGIN Transport Network Equipment for Interconnecting GSTN and IP Networks TILU Telecommunications Industry Liaison Unit (FBI) TIMS Transmission Impairment Measurement System TINA Telecommunications Information Networking Architecture TIP Transport and Internetworking Package TIPIA TIPHON IP telephony Implementation Agreement TIPHON Telecommunications and Internet Protocol Harmonization Over Networks (ETSI TC) TIWG Testing & Interoperability Working Group TLA Three Letter Acronym TLC Test Loop Combination TLD Third Level Domain TLDN Temporary Local Directory Number TLP Test Level Point TLS Transport Layer Security TLV Type Length Value TM TeleManagement (Forum) TM Transmission and Multiplexing (ETSI TC) TMCC TM Chairman's Coordination committee TMF TeleManagement Forum TMGB Telecommunications Main Grounding Busbar tML telecommunications Markup Language TML Test Model TMN Telecommunication Management Network TMN1 Temporal Reference Model for the Near Term 1 TMN8 Video Codec Test Model, Near-Term, Version TMSI Temporary Mobile Station Identity TNR Transmit Not Ready TNS Transit Network Selection TNV Telephone Network Voltage (IEC 950) TO Telecommunications Outlet TOA Time of Arrival ToC Table of Contents TOC Terminated Open Circuit TOLR Transmit Objective Loudness Rating TOM Telecom Operations Map (TeleManagement Forum) TON Type of Number ToR Terms of Reference TOSCA Text and Office Systems Content Architecture TOSQA Telecommunication Objective Speech Assessment, algorithm of T-Nova Berkom TP Test Protocol TP Test Purposes TPDU Transport Protocol Data Unit (X.224) TPS Transport Protocol Specific TPS-TC Transport Protocol Specific-Transmission Convergence TPKT Transport Packet (T.123) TPUI Temporary Portable User Identity T/R Tip/Ring TR Technical Report TR Technical Requirements (TIA committee) TR Telecommunications Room TR Temporal Reference TR Transmit Ready TR2TF Technical (TR- Committee) Regulatory Reform Task Force TRAC Technical Recommendations Application Committee (ETSI) TRC TIPHON Resolution Capability TREG Telecommunications Regulatory Email Grapevine TRIC TIA Regulatory Issues Committee TRIO TIPHON Remote InterOp TRIP Telephony Routing Information Protocol TRL Transmit Loudness Rating TRMMDS Technical Requirements MultiMedia Distribution Systems TRP Temporal Reference for Prediction TRRTF Technical (TR- Committee) Regulatory Task Force TRWNT Technical Requirements Wireline Terminals TRWST Technical Requirements Wireless Terminals TS Technical Specification TS Time Slot (Q6/15) TS PCR Transport Stream Program Clock Reference TSA Transmitting Subscriber internet Address TSACC Telecommunication Standards Advisory Council of Canada TSAG Telecommunication Standardization Advisory Group (ITU) TSAPI Telephony Server API TSB Telecommunications Standardization Board (ITU) TSB Telecommunications Systems Bulletin (TIA) TSG Technical Specification Group TSI Transmitting Subscriber Identification TSP Telephony Service Provider TSS ITU-Telecommunications Standardization Sector (CCITT) TSS Test Suite Specification TSSC Technical Standards Subcommittee (TIA) TSSS Temporal, SNR, and Spatial Scalability TSV Transport Area (IETF) TSWG Transport Sub Working Group (DSL Forum) TT ANSI Translation Type TTC Telecommunication Technology Committee (Japan) TTC TIA Technical Committee TTCM Turbo Trellis Coded Modulation TTCN Tree and Tabular Combined Notation TTE Telecommunications Terminal Equipment TTF Technical Task Force TTIB Transparent tone in band TTL Time To Live TTP Trusted Third Party TTT Trans-European Network Telecom (TIPHON) TTY Teletype TU-C Transceiver Unit - Central Office End TUP Telephony User Part TV Television TWA Time Weighted Average TWAIN Scanner Interface API: Technology Without An Interesting Name (MFPI work) TWP Technical Working Procedures (ETSI) TX Transmit -UU/S Upstream UA User Agent UAP Unified Accelerated Procedure UART Universal Asynchronous Receiver Transmitter UAS Unavailable Seconds (Rec. G.997.1) UAWG Universal ADSL Working Group UB Unlicensed Band UBC Uniform Building Code UBC University of British Columbia UBIC Unbilled Itemized Calls UBR Unspecified Bit Rate UBS User-Based Solution UC-PAM Ungerboeck Coded PAM UCAN User Circuit mode Access to Network (T1S1) UCF Unregistration Confirm UCI Universal Communications Identifier UCS Universal Character Set UCS Universal multiple octet coded Character Set UDDI Universal Description, Discovery and Integration (industry initiative) UDI Unrestricted Digital Information UDLC Universal Digital Loop Carrier UDP User Datagram Protocol (IETF) UEP Unequal Error Protection UDP User Datagram Protocol UDPTL Facsimile UDP Transport Layer protocol UGST User's Group on Software Tools UHF Ultra High Frequency UI Unit Interval UI User Interface UI Unnumbered Information transfer format UIH Unnumbered Information with Header check UIM User Identity Module UL Underwriters Laboratories ULM Unified Management Framework ULP Uneven Level Protection Um Radio (Air) Interface between Mobile and Base Station UME UNI Management Entity UML Unified Modeling Language UMTS Universal Mobile Telecommunications System UMV Unrestricted Motion Vector (H.263) U-N User-Network UNAA Universal Network Access Arrangement UN/ECE United Nations Economic Commission for Europe UNERM Unacknowledged Non-Error Recovery Mode UNH University of New Hampshire UNI User-Network Interface UP User Part UPBO Upstream Power Back-Off UPC Usage Parameter Control U-PCS, UPCS Unlicensed PCS UPED User Premises Equipment Division uPnP Universal Plug and Play Forum UPR Users Performance Requirements UPS Uninterrupted Power Supply UPT Universal Personal Telecommunications (ITU) UPTSP Universal Personal Telecommunications Service Providers UPU Universal Postal Union UQ Utility Quality URI Unified Resource Identifier URI User Premises Equipment Regulatory Issues URL Uniform Resource Locator URQ Unregistration Request US Under Study US1 TDMA Wireless Speech Coder USAG United States Advisory Group USB Universal Serial Bus USCEL United States Council of EMC Laboratories USH University of Sherbrooke USIM Universal Subscriber Identity Module (3GPP Working Group T3) uSMS universal Short Message Service USNC United States National Committee USOC Uniform Service Order Codes USTA United States Telecom Association USTR US Trade Representative UT Upper Tester (TIPHON) UTAM Unlicensed Transition and Management UTC Universal Time Code UTF UCS (Universal Character Set) Transformation Format UTL Utility UTP Unshielded Twisted Pair UTRAN UMTS Radio Access Network UU, U-U User to User UUI User-User Interface UUIE User-to-User Information Element UUT Unit Under Test UVG Universal Voice Grade UVLC Universal Variable Length Codeword UWCC Universal Wireless Communications Consortium UXP Unequal Erasure Protection -VV&M Voice and Multimedia WG (ATM Forum) V&V Validate and Verify VA Viterbi Algorithm VAD Voice Activity Detector VADSL Very high speed ADSL VAF Voice Activity Factor VAME Voice on ATM Multiplication Equipment VAR Value Added Resellers VBD Voice Band Data VBRnrt Variable Bit Rate non-real time VBRrt Variable Bit Rate real time VBSMC Variable Block-Size Motion Compensation VBV Video Buffer Verification VC-RDI Virtual Circuit-Remote Detect Indicator VC Video Control VC Virtual Channel VC Virtual Circuit (Rec. I.610) VC Virtual Connection VC Virtual Container VC Volume Control VCC Virtual Channel Connection VCEG Video Coding Experts Group (Q6/16) VCELS Vertical Cavity Surface Emitting Laser VCOM vcom.drv for Microsoft Chicago VCI Virtual Channel Identifier VCL Video Coding Layer VCR Video Cassette Recorder VCS Voice Controlled Services VDC Volts DC VDI Verification and Demonstration Implementation VDI Verification, Design and Implementation VDMA German Telefax Association, Verband Deutscher Maschinen und Anlagenbau VDSL Very high speed DSL VDTI Voiceband Data Transmission Interface VED Voice Enhancement Devices VEMMI Versatile MultiMedia Interface (ETSI) VEMMI Videotex Enhanced Man Machine Interface Service VERA Video Error Resilience Algorithm VESA Video Electronic Standard Association VHE Virtual Home Environment VHF Very High Frequency VHN VESA's Home Networking V-I Voltage - Current VIA Vendors ISDN Association VICS Vehicle Information and Communications System Service (Japan) VIM Vendor Independent Messaging VIMP Virtual Interoperability Meeting Place VISIONng Voice over IP Service IntroductiON - new generation VLAN Virtual Local Area Network VLBR Very Low Bit Rate VLBVT Very Low Bit rate Video Telephony VLC Variable Length Coding VLCD Variable Length Coding and Decoding VLD Variable Length Decoding VLDB Very Large Database VLF Visitor Location Function VLR Visitor Location Register VLRIN Visitor Location Register Identification Number VLSI Very Large Scale Integration VM Verification Model VMAC Voice Mobile Attenuation Code VMLA Virtual Mobile Location Area VMM Virtual Meeting Management VMOA Voice and Multimedia over ATM (ATM Forum WG) VMS IBM operating system VMS Voice Mail System VMWI VoiceMail Waiting Indication VoADSL Voice over ADSL VoATM Voice over ATM VoB Voice over Broadband VOC VDSL Operations Channel VOD Video on Demand VoDSL Voice over DSL VoI Voice over Internet VoIP Voice Over Internet Protocol VoMBN Voice over Multi-Service Broadband Networks VoMPLS Voice over MPLS VoMSDN Voice over Multi-Service Data Networks VON Voice on Network Coalition VON Voice On the Net VOP Video Object Planes VOP Voice over Packet (Network) VoSTM Voice over Synchronous Transfer Mode VOX Voice Operated Transmission VP Virtual Packet VP Virtual Path (ATM Forum) VPF Virtual Private Facility VPI Virtual Path Identifier VPIM Voice Profile for Internet Mail VPM Voice Privacy Mask VPMASK Voice Privacy Mask VPN Virtual Private Network VQ Vector Quantization VQEG Video Quality Experts Group VQmon ETSI TS101 329-5 Annex E, Method for Determining an Equipment Impairment Factor using Passive Monitoring VR Vertical Resolution VSAT Very Small Aperture Terminal satellite services VSB Vestigial Side Band VSC Vertical Service Codes VSELP Vector Sum Excited Linear Predictive Coding VTOA Voice and Telephony Over ATM VTQME Voice Transmission Quality Mouth to Ear (ETSI) VTR Video Tape Recorder VTS Voice Tone Support VTU VDSL Transceiver Unit VTU-C VDSL Transceiver Unit - Central VTU-O VDSL Transeiver Unit at the Optical network unit VTU-R VDSL Transceiver Unit - Remote Terminal V-UNI Virtual UNI VWC Vector Wavelet Coding -WW3C World Wide Web Consortium WACS Wireless Access Communication Systems WAN Wide Area Network WAP Wireless Application Protocol WARC World Administrative Radio Conference WB Wide Band WBS Wireless Business System WCAT Wireless Cellular Action Team WCDMA Wideband Code Division Multiple Access WCPE Wireless CPE WCS Wireless Communications System WD Wireless communications Devices WD Working Document WDM Wavelength Division Multiplexing WDS Wireless Data Service WEB-CAM Web Camera WER Word Error Rate WFOM Wait for Overhead Message WFQ Weighted Fair Queuing WG Working Group WI Waveform Interpolation WI Work Item WIDE Widely Integrated Distributed Environment WIMS Wireless Multimedia and Messaging Services WIN Wireless Intelligent Network WINS BT's Wideband Impulsive Noise Survey WLAN Wireless LAN WLL Wireless Access Local Loop WLNP Wireless Local Number Portability WML Wireless Markup Language (used in WAP) WMOPS Weighted MOPS WOSA Windows Open Services Architecture WOT World Ordering Team (TeleManagement Forum) WP Working Party (ITU) WPA Working Party A W-PBX Wireless PBX WPT Wireless Personal Terminal WRC World Radiocommunication Conference WRE Wireless Residential Extension WSC World Standardization Conference WT Working Text (DSL Forum) WTLR Wireless Terminal Location Registration WTPF World Telecommunication Policy Forum (ITU) WTSA World Telecommuncations Standardization Assembly (ITU) WTSC World Telecommunication Standardization Conference (ITU) WUPE Wireless User Premises Equipment (TR-41.6) WWW World Wide Web (Internet) -XXAPI eXtensive Application Programming Interface XAPIA X.400 API Association xDSL All the different Digital Subscriber Line technologies xGCP Gateway Control Protocol including MGCP, SGCP and IPDC XID eXchange IDentification XIWT Cross-Industry Working Team XML eXtended Markup Language XNI Customer Network Interface xoIP FoIP, MoIP, VoIP XOR eXclusive OR XRS Message not understood XTI X-open Transport Interface xTAAB Advisory Board on Other Access Technologies xTU-C All the different Transceiver Units - Central xTU-R All the different Transceiver Units - Remote -Y & ZZHP Z = input impedance of the ADSL transceiver; HP = high pass (ETSI RTS_TM-06006) ZLP Zero Loss Plan ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SSEC Acronyms List Acronyms, Abbreviations, Terms A—Ampere A 3 RI—Antarctic Astronomy and Astrophysics Research Institute AAAS—American Association for the Advancement of Science AAS—American Astronomical Society ABBA—Automated Biomass Burning Algorithm ABI—Advanced Baseline Imager ABLE—Amazon Boundary Layer Experiment ABOM—Australian Bureau of Meteorology ABS—Advanced Baseline Sounder ac or AC—alternating current ACARS—Aeronautical Radio, Inc. Communication and Recording System ACC—Atlantic Climate Change ACIS—ACademic Information Services (IBM) ACRIM—Active Cavity Radiometer Irradiance Monitor (EOS) ACS—Asynchronous Communications Server ADA—Americans with Disabilities Act ADC—Astronomical Data Center ADC—Atlantic Data Coverage (Meteosat) ADDE—Abstract Distributive Data Environment ADEOS—ADvanced Earth Observing Satellite (Japan) ADOM—Acid Deposition and Oxidant Model ADP—Administrative Data Processing (UW-Madison) ADR—Adiabatic Demagnetization Refrigerator AERI—Atmospheric Emitted Radiance Interferometer AES—Atmospheric Environment Service (Canada) AFB—Air Force Base AFGL—Air Force Geophysics Laboratory AFOS—Automation of Field Operations and Services (NWS) AFOSR—Air Force Office of Scientific Research AFWEX—Atmospheric Radiation Measurement First ISCCP Regional field Experiment Water Vapor Experiment (Nov.-Dec. 2000) AGCM—Atmospheric General Circulation Model AGCM—Australian General Circulation Model AGFS—Aviation Gridded Forecast System AGL—Above Ground Level AGU—American Geophysical Union AI—Artificial Intelligence AIAA—American Institute of Aeronautics and Astronautics AIREP—AIRcraft REPort AIRS—Atmospheric InfraRed Sounder (EOS) AISC—Assessment and Information Services Center AIX—Advanced Interactive eXecutive (IBM’s UNIX) AJ—Astronomical Journal a.k.a.—also known as ALERT—Automated Local Evaluation in Real Time ALPEX—ALPine EXperiment ALSPP—Atmospheric and Land Surface Processes Project ALT—ALTimeter AMANDA—Antarctic Muon and Neutrino Detector Array amp—Ampere AMRC—Antarctic Meteorological Research Center AMRIR—Advanced Medium Resolution Infrared Radiometer AMS—American Meteorological Society AMSAS—AOA Meteorological Satellite Analysis System AMSU—Advanced Microwave Sounder Unit (EOS) ANL—Argonne National Laboratory ANSI—American National Standards Institute AO—Announcement of Opportunity AOA—Airborne Optical Adjunct AO&SS—Atmospheric, Oceanic and Space Sciences (building) AOS—(Department of) Atmospheric and Oceanic Sciences AOT—Aerosol Optical Thickness AP—Anomalous Propagation AP—Associated Press API—Application Program Interface Ap.J—Astrophysical Journal APT—Automatic Picture Transmission APU—Auxiliary Power Unit ARA—Appletalk Remote Access ARC—Ames Research Center (NASA) ARC—Arctic Radiation and Chemistry experiment ARM—Atmospheric Radiation Measurement (DOE) ARM—Australian Region McIDAS ARPA—Advanced Research Projects Agency (DOD, formerly DARPA) ARPS—Advanced Regional Prediction System ARSLOE—Atlantic Remote Sensing Land/Ocean Experiment ASA—Academic Staff Assembly ASA—Antarctic Support Associates ASADA—Automated Smoke/Aerosol Detection Algorithm ASCII—American Standard Code for Information Interchange ASDAR—Aircraft to Satellite DAta Relay ASEAN—Association of SouthEast Asian Nations ASHOE—Airborne Southern Hemisphere Ozone Experiment ASIS—American Society for Information Science ASOS—Automated Surface Observing System (NWS) ASPT—Advanced Satellite Products Team (NOAA/ORA) ASPRO—Academic Staff Public Representation Organization ASR—Airport Surveillance Radar ASTER—Advanced Spaceborne Thermal Emission and Reflection radiometer (EOS) ASTEX—Atlantic STratus EXperiment AT&T—American Telephone & Telegraph ATBD—Algorithm Theoretical Basis Document (EOS) ATC—Air Traffic Control ATM—Asynchronous Transfer Mode ATM—Division of ATMospheric Sciences (NSF) ATMES—ATmospheric Model Evaluation Study ATOVS—Advanced TIROS Operational Vertical Sounder ATS—Applications Technology Satellite AU—Astronomical Unit AURA—Association of Universities for Research in Astronomy AUTONAV—AUTOmatic NAVigation AVE-SESAME—Atmospheric Variability Experiment-Severe Environmental Storm and Mesoscale Experiment (1970s) AVHRR—Advanced Very High Resolution Radiometer AVIRIS—Airborne Visible InfraRed Imaging Spectrometer (JPL) AWC—Aviation Weather Center (form. NSSFC; NWS Center) AWIPS—Advanced Weather Interactive Processing System (NWS) AWS—Air Weather Service (USAF) AWS—Automatic Weather Stations BAHC—Biospheric Aspects of the Hydrological Cycle BAMS—Bulletin of the American Meteorological Society BAPMoN—Background Air Pollution Monitoring Network (WMO) BASE-A—Biomass burning Airborne and Spaceborne Experiment-Amazonia baud—one bit per second BBS—Bulletin Board System BBXRT—Broad Band X-Ray Telescope BCS—Broadband Cable System (UW) bit—binary digit BITNET—Because It’s Time NETwork BLCMD—BiLevel CoMmanD (DXS) BLIS—Boundary Layer Instrumentation System BMEE—Bachelor of Science in Mechanical Engineering BMO—British Meteorological Office BMRC—Bureau of Meteorology Research Centre (Australia) BOM—Bureau of Meteorology (Australia) BOREAS—Boreal Ecosystems Atmosphere Study (BAHC/GEWEX) bpi—bits per inch bps or BPS—bits per second BSEE—Bachelor of Science in Electrical Engineering BTW—By The Way (e-mail) BUFR—Binary Universal FoRm BUV—Backscattered UltraViolet C—Capacitance C—Centigrade CAC—Climate Analysis Center CACGP—Commission of Atmospheric Chemistry and Global Pollution (IAMAP) CAD—Computer Aided Design CAMEX—Convection and Moisture Experiment CAMS—Calibrated Airborne Multispectral Scanner CaPE—Convection and Precipitation/Electrification Experiment (STORM) CAPE—Convective Available Potential Energy CAPPI—Constant Altitude Plan Position Indicator CAPS—Center for the Analysis and Prediction of Storms CART—Cloud And Radiation Testbed (DOE/ARM) CAS—Calibrated Air Speed CCD—Charge-Coupled Device CCFF—Cape Canaveral Forecasting Facility CCM—Community Climate Model CCN—Cloud Condensation Nucleus (or Nuclei) CCR—Center for Climatic Research (IES) CCT—Computer Compatible Tape CDDF—Central Data Distribution Facility CDDIS—Crustal Dynamics Data Information System CDE—Common Desktop Environment CDF—Common Data Format (NASA/SSDC) CDF—Communications Data Field CD-ROM—Compact Disc-Read Only Memory CEES—Committee on Earth and Environmental Sciences (U.S.) CEOS—Committee for Earth Observation Satellites CEPEX—Central Equatorial Pacific EXperiment CERES—Clouds and the Earth’s Radiant Energy System (EOS) CERN—Conseil Europeen pour la Recherche Nucleaire (European Laboratory for Particle Physics; Geneva, Switzerland) CFC—ChloroFluoroCarbon CFTC—Commodity Futures Trading Commission CG—Center of Gravity (DXS) CGC—Climate and Global Change CGCP—Climate & Global Change Program CGI—Common Gateway Interface (Internet) CGM—Computer Graphics Metafile CGSE—Customer electrical Ground Support Equipment (DXS) CH 4 —methane CHAMEX—Cloud Height And Motion EXperiment CHAMMP—Computer Hardware, Advanced Mathematics and Model Physics CICA—Center for Innovative Computer Applications CICS—Cooperative Institute for Climate Studies (U.Maryland) CIESIN—Consortium for International Earth Science Information Network (U.S.) CIMMS—Cooperative Institute for Mesoscale Meteorological Studies (OK) CIMSS—Cooperative Institute for Meteorological Satellite Studies CIRA—Cooperative Institute for Research in the Atmosphere (CSU) CIRES—Cooperative Institute for Research in Environmental Sciences (CO) CIRRUS—Cloud InfraRed Radiometer for UnESS CISE—Directorate for Computer and Information Science and Engineering (NSF) CIT—Convection-Induced Turbulence CITA—Center for IT Accommodation (GSA) CITE—Cargo Integration and Test Equipment (DXS) CITE —Chemical Instrument Test and Evaluation (NASA GTE) CLASS—Cross-chain Loran Atmospheric Sounding System CLS—Cloud Lidar System CMA—China Meteorological Administration CMS—Conversational Monitoring System CNES—Centre National d’Etudes Spatiales CNN—Cable News Network CNRS—Centre National de la Récherche Scientifique CO 2 —Carbon dioxide COADS—Comprehensive Ocean-Atmosphere Dataset COARE—Coupled Ocean-Atmosphere Research Experiment (TOGA) CODAR—COrrelation Detection And Ranging COHMEX—COoperative Huntsville Meteorological EXperiment Co-I—CoInvestigator COMET—Cooperative Program for Operational Meteorology Education and Training (NOAA and UCAR) COMSAT—COMmunications SATellite CONUS—CONtinental (or CONterminus) United States COSPAR—Committee On SPAce Research COSTAR—Corrective Optics Space Telescope Axial Replacement COTS—Commercial Off-The-Shelf CPA—Certified Public Accountant CPC—Climate Prediction Center (NWS Center) cpi—characters per inch CPR—CardioPulmonary Resuscitation CPSC—Consumer Product Safety Commission CPU—Central Processing Unit CRAS—CIMSS Regional Assimilation System CrO 2 —Chromium Oxide CRT—Cathode Ray Tube CS—Computer Science CS&S—Computer Sciences and Statistics (UW-MSN) CSC—Computer Sciences Corporation CSI—Coastal Studies Institute (LSU) CSIRO—Commonwealth Scientific and Industrial Research Organization CSIS—Centralized Storm Information System CSM—Comprehensive System Model CSMP—Climate System Modeling Project CST—Central Standard Time CST—Convective-Stratiform Technique CSU—Colorado State University (Ft. Collins) CTD—Conductivity-Temperature-Depth CTS—Committee on Teaching of Science CU—University of Colorado CVS—Concurrent Versions System CWB—Central Weather Bureau (Taiwan) CZCS—Coastal Zone Color Scanner DAAC—Distributed Active Archive Center DARPA—Department of Defense Advanced Research Projects Agency DASD—Direct Access Storage Device DAT—Digital Audio Tape DC—Detector Controller (DXS) dc—direct current DCS—Data Collection System (NOAA polar orbiting satellites) DDE—Distributive Data Environment (McIDAS) DDS—Domestic Data Service (NWS) DE—Detector Electronics (DXS) DEC—Digital Equipment Corporation DFAD—Digital Feature Analysis Data DFRC—Dryden Flight Research Center DGVM—Dynamic Global Vegetation Model (GAIM) DIFAX—DIgital FAcsimile map DILHR—Department of Industry, Labor & Human Relations DIS—Data and Information System disc—optical media (CDs) DISEL—Diseno e Ingenieria de Systemas Electronicos disk—magnetic media (floppies) DIU—Detector Interface Unit (DXS) DLL (or .dll)—Dynamic Link Libraries DMA—Defense Mapping Agency DMAP—Digital MAPping, charting and geodesy analysis program (USN) DMIC—Deputy Meteorologist-In-Charge (NWS) DMS—DiMethylSulphide DMSP—Defense Meteorological Satellite Program (USAF) DNAG—Decade of North American Geology DNR—Department of Natural Resources DNS—Domain Name System DOA—Department of Administration (U.S.) DOC—Department of Commerce (U.S.) DOD—Department of Defense (U.S.) DODS—Distributed Ocean Data System DOE—Department of Energy (U.S.) DOI—Department of the Interior (U.S.) DoIT—Department of Information Technology (UW-MSN) DOJ—Department of Justice (U.S.) DOL—Department of Labor (U.S.) DORIS—Doppler Orbitography and Radiopositioning Integrated by Satellite (EOS) DOS—Department of State (U.S.) DOS—Disk Operating System DOT—Department of Transportation (U.S.) DPS—Detector Power Supply DPS—Division of Planetary Science DPSS—Data Processing Services Subsystem DRIBU—DRIfting BUoy data DS2—Second Dark Spot (Neptune) DSDP—Deep Sea Drilling Project DSP—Digital Signal Processing DST—Data Systems Test DTE—Data Terminal Equipment DTED—Digital Terrain Elevation Data DXS—Diffuse X-ray Spectrometer E&CE—Electrical and Computer Engineering EADS—Engineering and Data Analysis System EarthKAM—Earth Knowledge Acquired by Middle-schoolers EBCDIC—Extended Binary-Coded Decimal Interchange Code ECB—Educational Communications Board ECMWF—European Centre for Medium-range Weather Forecasts ECOSOC—ECOnomic and SOcial Council (UN) ED—Department of Education (U.S.) EDC—EROS Data Center EGA—Enhanced Graphics Adapter EGSE—Electrical Ground Support Equipment EIA—Electronic Industries Association EM—ElectroMagnetic e-mail or email—electronic mail EMC—ElectroMagnetic Compatibility EMC—Environmental Modeling Center (NWS Center) EMI—ElectroMagnetic Interference EMT—Emergency Medical Technician ENSO—El Niño/Southern Oscillation EOS—Earth Observing System EOSDIS—Earth Observing System Data and Information System EOSP—Earth Observing Scanner Polarimeter EPA—Environmental Protection Agency (U.S.) EPS—European Polar Satellite ER-2—Earth Resources (plane), #2 (NASA) ERA—Employee Reimbursement Account ERBE—Earth Radiation Budget Experiment ERBS—Earth Radiation Budget Satellite ERICA—Experiment on Rapidly Intensifying Cyclones over the Atlantic ERL—Environmental Research Laboratory (NOAA) EROS—Earth Resources Observing System ERS—ESA Remote Sensing satellite ERSAF—Environment Remote Sensing Analysis Facility ERSC—Environmental Remote Sensing Center (IES) ESA—European Space Agency ESDD—Earth Science Data Directory ESE—Earth Science Enterprise (NASA) ESMR—Electrically Scanning Microwave Radiometer ESOC—European Satellite Operations Center ESSA—Environmental Science Services Administration (preceded NOAA) ESSP—Earth System Science Pathfinder Mission (ESSP) ESTEC—European Space TEchnical Center ETAC—Environmental Technical Applications Center (USAF) EUMETSAT—EUropean organization for the exploitation of METeorological SATellites EVA—Extra Vehicular Activity FAA—Federal Aviation Administration FAM—Flight Assurance Manager (DXS) FAO—Food and Agriculture Organization (UN) FAQ—Frequently Asked Questions (Internet) Fax—facsimile FCCC—Framework Convention on Climate Change FD—Flight Day (NASA) FDA—Food and Drug Administration (U.S.) FDIC—Federal Deposit Insurance Corporation (U.S.) FedEx—Federal Express (colloquial till mid-1994, then new name) FEMA—Federal Emergency Management Agency (U.S.) FFA—Future Farmers of America FFT—Fast Fourier Transform FGGE—First GARP Global Experiment FIFE—First ISLSCP Field Experiment FIFO—First In, First Out FIRE—First ISCCP Regional Field Experiment FLOP—FLoating point OPeration FLOWS—FAA-Lincoln Operational Weather Study FOB—Federal Office Building FOC—Faint Object Camera (HST) FORTRAN—FORMula TRANslation FOS—Family Of Services (NWS) FOV—Field Of View FPDT—Forecast Products Development Team (NOAA/ORA) FPO—Field Project Office FRB—Federal Reserve Board (U.S.) FSL—Forecast Systems Laboratory (a NOAA ERL) FTC—Federal Trade Commission (U.S.) FTE—Full-Time Equivalent FTP—File Transfer Protocol (TCP/IP) FTS—Fourier Transform Spectrometer (HIS, AERI, etc.) FY—Fiscal Year FYI—For Your Information GAC—Global Area Coverage GAIM—Global Analysis, Interpretation and Modeling (IGBP) GALE—Genesis of Atlantic Lows Experiment GAO—General Accounting Office (U.S.) GAPEX—Ground-based Atmospheric Profiling EXperiment GARP—Global Atmospheric Research Program GARS—GOES Archive and Retrieval System GATE—GARP Atlantic Tropical Experiment GAW—Global Atmosphere Watch (WMO) GB or Gb—Gigabyte GB-HIS—Ground-Based HIS GCIP—GEWEX Continental-scale International Project GCM—General Circulation Model GCOS—Global Climate Observing System GCRP—Global Change Research Program GCTE—Global Change and Terrestrial Ecosystems (IGBP) GDAS—Global Data Assimilation System GDEM—Generalized Digital Environmental Model GDS—Great Dark Spot (Neptune) GEMPAK—GEneral Meteorological PAcKage (NASA/GSFC) GEODAS—GEOphysical DAta System GEOS—GEodetic Orbiting Satellite GEOS—Geodynamics Experimental Ocean Satellite GEOSAT—GEOdetic SATellite GEWEX—Global Energy and Water cycle EXperiment (WCRP) GFDL—Geophysical Fluid Dynamics Laboratory (NOAA) GGI—Global positioning system Geoscience Instrument GHz—GigaHertz GIF—Graphics Interchange Format GIFTS—Geosynchronous Imaging Fourier Transform Spectrometer GIFTS-IOMI—GIFTS-Indian Ocean METOC Imager(U.S.Navy) GIMPAP—GOES I/M Product Assurance Plan GINI—GOES Ingest & NOAAport Interface GIS—Geographic Information System GISP—Greenland Ice Sheet Project (PAGES) GISS—Goddard Institute for Space Studies GLAS—Goddard Laboratory for Atmospheric Sciences GLIS—Global Land Information System (USGS) GLOBE—Global Learning and Observations to Benefit the Environment GLRS—Geoscience Laser Ranging System GMS—Geostationary Meteorological Satellite GMT—Greenwich Mean Time (repl. by UTC) GOES—Geostationary Operational Environmental Satellite GOEZS—Global Ocean Euphotic Zone Study (IGBP) GO3OS—Global Ozone Observing System (WMO) GORF—Goddard Optical Research Facility GOS—Geomagnetic Observing System GOWON—Gulf Offshore Weather Observing Network GPCI—General Purpose Channel Interface GPHIS—GeoPlatform High-resolution Interferometer Sounder GPS—Global Positioning System GRASP—GRaphic Animation System for Professionals GRIB—GRIdded Binary GSA—General Services Administration (U.S.) GSAS—Geostationary Satellite Archive System GSE—Ground Support Equipment GSFC—Goddard Space Flight Center GSOS—GPS Surface Observing System GTE—Global Tropospheric Experiment (NASA) GTM—Global Transport Model GTS—Global Telecommunication System (WMO) GUFMEX—GUlF of Mexico EXperiment GUI—Graphical User Interface GVAR—GOES VARiable GWE—Global Weather Experiment (a.k.a. FGGE) H 2 O—water (vapor) HAASC—Hughes/Aerojet/Aerospace/Space Command HAWC—High-resolution Airborne Wideband Camera HDF—Hierarchical Data Format HDS—High-resolution Data Stream (NWS) HEAB—High Energy Astrophysics Branch (NASA) HF—High Frequency HHS—Department of Health and Human Services (U.S.) HIMSS—HIgh-resolution Microwave Spectrometer Sounder HIRDLS—HIgh-Resolution Dynamics Limb Sounder (EOS) HIRES—HIgh RESolution HIRIS—HIgh-Resolution Imaging Spectrometer (EOS) HIRS—High-resolution Infrared Radiation Sounder HIS—High-resolution Interferometer Sounder HITC—Hughes Information Technology Company HLA—Human Leukocyte Antigen HMO—Health Maintenance Organization HP—Hewlett-Packard HPC—Hydrometeorological Prediction Center (NWS Center) HPCC—High Performance Computing and Communications HPD—Hourly Precipitation Data HPGL—Hewlett Packard Graphics Language HQ—HeadQuarters HRIR—High Resolution Infrared Radiometer HRPT—High Resolution Picture Transmission HRS—High-Resolution data Service (NWS) HSP—High Speed Photometer HSRL—High Spectral Resolution Lidar HST—Hubble Space Telescope HTML—HyperText Markup Language HTTP—HyperText Transfer Protocol (World Wide Web) HUD—Department of Housing and Urban Development (U.S.) HVPS—High Voltage Power Supply Hz—Hertz IAF—International Astronautical Federation IAMAP—International Association of Meteorology and Atmospheric Physics IAP—Institute for Atmospheric Physics (PRC) IAPP—International ATOVS Processing Package IASI—Infrared Atmospheric Sounding Interferometer (Europe) IBL—Internal Boundary Layer IBM—International Business Machines ICDS—Ice Coring and Drilling Services ICSU—International Council of Scientific Unions IDD—Internet Data Distribution (Unidata) IDL—Interactive Data Language IDS—International Data Service (NWS) IEEE—Institute of Electrical and Electronics Engineers IES—Institute for Environmental Studies IG—Inspector General IGAC—International Global Atmospheric Chemistry Project (IGBP) IGBP—International Geosphere-Biosphere Program (ICSU) IGFA—International Group of Funding Agencies (IGBP) IIPS—(International Conference on) Interactive Information and Processing Systems (for Meteorology, Oceanography, and Hydrology-AMS) IMAP—Internet Message Access Protocol IMAPP—International MODIS/AIRS Processing Package IMAX—MAXimum Image IMD—India Meteorology Department IMDC—Instructional Media Development Center (UW) IMG—Interferometric Monitor for Greenhouse gases INM—Instituto Nacional de Meteorologia (Spain) INO—Institute for Naval Oceanography INPE—Instituto de Pesquisas Espaciais INTERNET—INTERconnected computer NETwork I/O—Input/Output IOMI—Indian Ocean METOC Imager Navy IOP—Intensive Observing Period IP—Internet Protocol IPCC—Intergovernmental Panel on Climate Change (WMO/UNEP) IPEI—Ionospheric Plasma and Electrodynamics Instrument IPL—Initial Program Load IR—InfraRed IRIS—Infrared Radiation Interferometer Spectrometer (1960s) IRS—Internal Revenue Service (U.S.) ISCCP—International Satellite Cloud Climatology Project (WCRP) ISDN—Integrated Services Digital Network ISI—Information Services International ISI—Institute for Scientific Information ISLSCP—International Satellite Land Surface Climatology Project (WCRP) ISO—International Standards Organization ISP—Internet Service Provider ISS—International Space Station ISY—International Space Year (1992) ITCZ—InterTropical Convergence Zone ITOS—Improved Television and infrared Observation Satellite (1970s) ITPP—International TOVS Processing Package ITS—Interferometer Thermal Sounder (HIS) ITSC—International TOVS Study Conference ITT—International Telephone and Telegraph IUGG—International Union of Geodesy and Geophysics IWG—Implementation Working Group IWGDMGC—Interagency Working Group on Data Management for Global Change JASIN—Joint Air-Sea INteraction JCL—Job Control Language JGOFS—Joint Global Ocean Flux Study (IGBP) JGR—Journal of Geophysical Research JMA—Japanese Meteorological Agency JOI—Joint Oceanographic Institutions JOSS—Joint Office for Science Support (UCAR) JPEG—Joint Photographic Experts Group JPL—Jet Propulsion Laboratory JSC—Johnson Space Center (NASA, Houston) K—Kilo, thousand Kb/s—kilobits per second km—kilometer KSC—Kennedy Space Center LAC—Local Area Coverage LAFM—Limited-Area Fine Mesh Lake-ICE—Lake-Induced Convection Experiment LAMBADA—Large scale Atmospheric Moisture Balance of Amazonia using Data Assimilation (BAHC/GEWEX) LAMPS—Limited-Area Mesoscale Prediction System LAN—Local Area Network LAPS—Local Analysis and Prediction System LaRC—Langley Research Center (NASA) laser—Light Amplification by Stimulated Emission of Radiation LAWS—Laser Atmospheric Wind Sounder (EOS) LBA—Large-scale Biosphere-Atmosphere LDA—Local Data Acquisition LDM—Local Data Manager (Unidata) LDW—Loran DropWindsonde LED—Light Emitting Diode LES—Large Eddy Simulation LFM—Limited-area Fine Mesh (NMC) LI—Lifted Index LIDAR—LIght Detection And Ranging LIMS—Limb Infrared Monitor of the Stratosphere LIS—Lightning Imaging Sensor LMD—Laboratoire de Meteorologie Dynamique (France) LOC—Library of Congress LOICZ—Land-Ocean Interactions in the Coastal Zone (IGBP) LORAN—LOng RAnge Navigation LPN—Licensed Practical Nurse LSU—Louisiana State University LTE—Limited Term Employee m—meter(s) M—million (finance) MACC—Madison Academic Computing Center MAGICS—Meteorological Applications Graphics Integrated Colour System MAMS—Multispectral Atmospheric Mapping Sensor MAPS—Mesoscale Analysis and Prediction System (NOAA/FSL) MAS—MODIS Airborne Simulator mb—millibar(s) Mb or MB—Megabytes (or megabits) MBA—Master of Business Administration Mbps—Megabytes per second Mb/s—Megabytes per second MBT—Mechanical BathyThermograph McIDAS—Man computer Interactive Data Access System McIDAS-MVS—McIDAS on Multiple Virtual Storage McIDAS-OS2—PC-McIDAS on Operating System/2 McIDAS-X—McIDAS running a UNIX-based operating system McIDAS-XCD—McIDAS running UNIX for Conventional Data McIDAS-XSD—McIDAS running UNIX for Satellite Data MCS—Mesoscale Convective System MD—Meteorological Data (McIDAS) MDR—Manually Digitized Radar MECCA—Model Evaluation Consortium for Climate Assessment (UCAR) MELV—Minimum Local Emissivity Variance MERLIN—Multisource EnviRonmental data dispLay for INternet archives MET—Mission Elapsed Time (from time of launch) METAR—METeorological Aviation Report Meteosat—METEOrological SATellite (European) METOC—METeorology and OCeanography METOC—METeorological and OCeanographic MHz—MegaHertz MIDAS—Meteorological Interactive Data Access System MIDDS—Meteorological Interactive Data Display System MIEC—Meteorological Information Extraction Center MIMR—Multifrequency Imaging Microwave Radiometer MISR—Multi-angle Imaging Spectro-Radiometer (EOS) MIST—MIcroburst and Severe Thunderstorm program MIT—Massachusetts Institute of Technology MLEV—Minimum Local Emissivity Variance MLS—Master of Library Science MLS—Microwave Limb Sounder (EOS) Modem—MOdulator-DEModulator MODIS—MODerate-resolution Imaging Spectroradiometer (EOS) MODIS-N—MODerate-resolution Imaging Spectroradiometer-Nadir (EOS) MONEX—MONsoon EXperiment MOODS—Master Ocean Observation Data Set MOPITT—Measurements of Pollution In The Troposphere (EOS) MOS—Model Output Statistics MOU—Memorandum Of Understanding MPC—Marine Prediction Center (NWS Center) MPEG—Motion Pictures Experts Group MPP—Massively Parallel Processing MRF—Medium Range Forecast (NCEP) MS-DOS—MicroSoft Disk Operating System MSFC—Marshall Space Flight Center MSG—Meteosat Second Generation MSL—Mean Sea Level MSLP—MSL Pressure MSS—Mass Storage System MSS—Multi-Spectral Scanner MSU—Microwave Sounding Unit MTDC—Modified Total Direct Costs MUG—McIDAS Users’ Group MURI—Multidisciplinary University Research Initiative (U.S. Navy) MVS—Multiple Virtual Storage NAAPS—Navy Aerosol Analysis and Prediction System NAIF—Navigation Ancillary Information Facility (JPL) NAPAP—National Acid Precipitation Assessment Program NAS—National Academy of Sciences NASA—National Aeronautics and Space Administration NASDA—National Space Development Agency (Japan) NAST-I—NPOES Atmospheric Sounder Testbed-Interferometer NAVAID—NAVigational AID NCAR—National Center for Atmospheric Research NCDC—National Climatic Data Center NCDS—NASA Climate Data System NCEP—National Centers for Environmental Prediction (form. NMC; NWS Center) NCSA—National Center for Supercomputing Applications (UI-Urbana/Champaign) NCUA—National Credit Union Administration NDBC—National Data Buoy Center NDBO—Non-Directional Beacon Observation NDVI—Normalized Difference Vegetation Index NEA—National Endowment for the Arts NEDRES—National Environmental Data Referral Service NEDT—Noise Equivalent Delta Temperature NEH—National Endowment for the Humanities NEPRF—Naval Environmental Prediction Research Facility NESDIS—National Environmental Satellite, Data, and Information Service (NOAA) netCDF—Network Common Data Form (UNIDATA) NETWX—NETwork Weather NEXRAD—NEXt generation RADar NFRE—Net Flux Radiometer Experiment NFS—Network File System NGDC—National Geophysical Data Center NGM—Nested Grid Model (NCEP) NGS—National Geodetic Survey NHC—National Hurricane Center (1996 colocated with TPC; NWS Center) NIC—National Ice Center NIC—Network Interface Card NIDS—NEXRAD Information Dissemination Service NIDS—NEXRAD Information Display System NIH—National Institute of Health NII—National Information Infrastructure NIMH—National Institute of Mental Health NIMS—Near Infrared Mapping Spectrometer (Galileo) NIST—National Institute for Standards and Technology NLDN—National Lightning Detection Network NLS—Network Library System nm—usually, nautical miles (unless specified as nanometers) NMC—National Meteorological Center (old. NCEP, 1996; NWS Center) NML—National Media Lab NOAA—National Oceanic and Atmospheric Administration NOAAport—satellite broadcast service that provides access to NOAA data and products NOAASIS—NOAA Satellite Information System NOAO—National Optical Astronomy Observatories NOARL—Naval Oceanographic and Atmospheric Research Laboratory NODC—National Oceanic Data Center NOGAPS—Navy Operational Global Atmospheric Prediction System NOMHICE—Non-Methane Hydrocarbon Intercomparison Experiment (IGAC) NOO—Naval Oceanographic Office NORDA—Naval Ocean Research and Development Activity NORPEX—North Pacific Experiment NOS—Network Operating System NPOESS—National Polar Orbiter Environmental Satellite System NPR—National Public Radio NPS—Numerical Products Service NRAO—National Radio Astronomy Observatory NRC—National Research Council NRL—Naval Research Laboratory N-ROSS—Navy-Remote Ocean Sensing System NSA—National Security Agency NSCAT—NASA wind SCATterometer NSF—National Science Foundation NSFnet—NSF network NSIDC—National Snow and Ice Data Center NSSDC—National Space Science Data Center NSSFC—National Severe Storms Forecast Center (old. 1996 AWC) NSSL—National Severe Storms Laboratory (NWS Center) NTIS—National Technical Information Service (DOC) NTSB—National Transportation Safety Board NTSC—National Television Standards Committee NWP—Numerical Weather Prediction NWS—National Weather Service (NOAA) NWSFO—NWS Forecast Office OAO—Orbiting Astronomical Observatory OACT—Office of Advanced Concepts and Technology (NASA/HEAB) OAR—Office of Atmospheric Research (NOAA) OCEANIC—OCEAn Network Information Center OCLC—On-line Computer Library Center ODT—Objective Dvorak Technique OGP—Office of Global Programs OIES—Office for Interdisciplinary Earth Studies (UCAR) OIT—Office of Information Technology OLS—Optical Line Scanner OM—Operational Measurement OMB—Office of Management and Budget ONR—Office of Naval Research OPSAT—OPerational SATellite ORA—Office of Research & Applications ORNL—Oak Ridge National Lab OS/2—Operating System, Version 2 OSO—Orbiting Solar Observatory OSS—Office of Space Science (NASA) OSSE—Office of Space Science Education (SSEC) OSTP—Office of Science and Technology Policy (U.S.) OSU—Oklahoma State University OWL—On-line Weather Looper PAAP—Planetary Astronomy & Atmospheres Programs PAC—Processor Augmentation Card PAGES—Past Global ChanGES Pas—Pascal PATHFINDER—Probing ATmospHeric/AsTropHysical Flows in an INtegrated and Distributed EnviRonment PBS—Public Broadcasting Service PbSt—Lead Stearate PC-McIDAS—Personal Computer-based McIDAS PDRC—Professional Development and Recognition Committee (UW-Madison) PDUS—Primary Data Utilization Site PE—Processor Element PEOPLE—Pre-college Enrichment Opportunity Program for Learning Excellence (UW-Madison) Perl—Practical extraction and report language PGU—Plant Growth Unit Ph.D.—Doctor of Philosophy PHIGS—Programmer’s Hierarchical Interactive Graphics System PHOXA—PHotochemical OXidant and Acid deposition (Europe) PI—Principal Investigator PIFTS—Planetary Imaging Fourier Transform Spectrometer PLDS—Pilot Land Data System PM—Program Manager PMT—PhotoMultiplier Tube POCC—Payload Operations Control Center (NASA) POES—Polar Operational Environmental Satellite POP—Post Office Protocol PORSEC—Pacific Ocean Remote Sensing Conference POSIX—Portable Operating System Interface-UNIX PPI scan—Plan Position Indicator (lidar) ppm—part per million PPP—Point to Point Protocol PPS—Public Products Service (NWS) P.R.—Public Relations PRC—People’s Republic of China PRC, Inc.—Planning Research Corporation PROFS—Program for Regional Observing and Forecasting Services (NOAA/ERL/FSL) PROM—Programmable Read-Only Memory PS/2—Personal System/2 PSL—Physical Sciences Lab PV—PhotoVoltaic PWV—Precipitable Water Vapor QC—Quality Control RADM—Regional Acid Deposition Model RAID—Redundant Arrays of Inexpensive Disks RAM—Random Access Memory RAMS—Regional Atmospheric Modeling System (CSU) RAOB—RAdiosonde OBservation RASS—Radar Altimeter Speedometer Sounder RASS—Radio Acoustic Sounding System RESAC—Regional Earth Science Applications Center (NASA) RF—Radio Frequency RFI—Radio Frequency Interference RFP—Request for Proposals RGB—Red/Green/Blue RGL—ReGionaL forecast Model RHI scan—Range-Height Indicator (lidar) RISC—Reduced Instruction Set Computer RME—Relay Mirror Experiment rms or RMS—root mean square RMSD—Root Mean Square Difference RMSE—Root Mean Square Error ROM—Read-Only Memory SAA—South Atlantic Anomaly SAB—Satellite Applications Branch (old. NESDIS) SAC—Scientific Advisory Council (of IGBP) SAFARI—Southern African Regional Science Initiative SAFIRE—Spectroscopy of the Atmosphere using Far InfraRed Emission SAG—Systems Administration Group SAGE—center for Sustainability and the Global Environment (UW-Madison IES) SAGE—Stratospheric Aerosol and Gas Experiment (EOS) SAIC—Science Applications International Corporation SAIDAS—Sistema de Adquisicion e Integracion de DAtos de Satelite (Satellite data integration and acquisition system, Spain) SAL—Space Astronomy Laboratory SAM—Signal Analyzing Monitor SAO—Surface Aviation Observation SAR—Synthetic Aperture Radar SAs—Stratospheric Aerosols SATEM—SAtellite TEMperature SATOB—SATellite OBservation SBN—Satellite Broadcast Network (NOAA) SBRC—Santa Barbara Research Center SBUV—Solar Backscatter UltraViolet radiometer (EOS) SCAR—Scientific Committee for Antarctic Research (ICSU) SCOPE—Scientific Committee on Problems of the Environment (ICSU) SCOR—Scientific Committee on Oceanic Research (ICSU) SCUBA—Self-Contained Underwater Breathing Apparatus SDA—SSEC Display Adapter SDAB—Systems Design and Applications Branch (old. NESDIS) SDHS—Satellite Data Handling System SDI—SSEC Desktop Ingestor SDM—Scientific Data Management (UNIDATA) SDS—Satellite Data Services SDSD—Satellite Data Services Division SEASAT—SEA SATellite SEC—Space Environment Center (NWS Center) SECC—State Employees’ Combined Campaign SERON—South-Eastern Regional Oxidant Network (DOE, HIS) SEVIRI—Spinning Environmental Visible and InfraRed Instrument (Europe) SFY—State Fiscal Year SGI—Silicon Graphics Incorporated SGML—Standard Generalized Markup Language SHARP—Summer High School Apprenticeship Research Program (NASA) SHEAL—Shuttle High Energy Astrophysics Laboratory (NASA, old) SHEBA—Surface Heat Budget of the Arctic Ocean S-HIS—Scanning High resolution Interferometer Sounder SI—International Standard SIGGRAPH—Special Interest Group on computer GRAPHics SIRS—Satellite Infrared Radiation Spectrometer (1960s) SLIP—Serial Line Internet Protocol SLP—Sea-Level Pressure SMA—State Meteorological Agency (PRC) SMEX—SMall EXplorer SMMR—Scanning Multichannel Microwave Radiometer SMOKE—Satellite Monitoring of Oil Fires in Kuwait Expedition (Limaye) SMoKE—Satellite Measurements of Kuwait’s Effluent (Limaye) SMS—Synchronous Meteorological Satellite SMTP—Simple Mail Transport Protocol (Internet) SN—Serial Number SNR—Signal to Noise Ratio SNR—Super Nova Remnant SO 2 —sulfur dioxide SOCC—Satellite Operations Control Center SOHFI—Skin-layer Ocean Heat Flux Instrument SOLSTICE—SOLar/STellar Irradiance interComparison Experiment SONIC—SPAN: Ocean Network Information Center SOP—Special Observing Period SOTER—SOil TERrain project SPACE—Satellite Precipitation And Cloud Experiment SPACE—Standards Performance Achievement & Curriculum Enhancement-WISE SPAN—Space Physics Analysis Network (NASA) SPANDAR—SPace ANd range RaDAR SPC—Storm Prediction Center (NSSL; NWS Center) SPECTRE—SPECTral Radiance Experiment (DOE) SPECTRUM—SPecial Experiment Concerning Typhoon Recurvature and Unusual Movement SPF—South Polar Feature (Neptune) SPIE—Society of Photo-optical Instrumentation Engineers SPIU—Sensor Processor Interface Unit SPOC—Shuttle Payload of Opportunity Carrier SPOT—Systeme Probatoire d’Observation de la Terre satellite SRI—Stanford Research Institute SSA—Social Security Administration SSC—Suspended Sediment Concentration SSDC—Space Science Data Center SSEC—Space Science and Engineering Center SSF—Specialized Service Facility (UW) SSI—Space Studies Institute SS/L—Space Systems/Loral, Inc. (formerly Ford Aerospace Corporation) SSM/I—Special Sensor Microwave/Imager SSM/T—Special Sensor Microwave/Temperature SST—Sea Surface Temperature SSU—Stratospheric Sounding Unit (TOVS) ST—Space Telescope START—SysTem for Analysis, Research and Training (IGBP) STD—Salinity-Temperature-Depth STEP—Satellite Technology Education Program (WSGC) STIB—Stratosphere-Troposphere Interactions and the Biosphere STIKSCAT—STIcK SCATterometer STORM—Stormscale Operational and Research Meteorology STORM-FEST—STORM-Fronts Experiment Systems Test STS—Space Transportation System STScI—Space Telescope Science Institute STUC—Space Telescope User’s Committee SUCCESS—SUbsonic aircraft: Contrail and Cloud Effects Special Study (NASA/Ames) SUNY—State University of New York SURE— Summer Undergraduate Research Experience SVAT—Soil-Vegetation-Atmosphere Transfer SW—Short Wave SWAMP—Science Working Group for the AM Platform (EOS) SWIRLS—Stratospheric Wind InfraRed Limb Sounder SYNOP—SYNoptic OPeration Synop—synoptic (surface) observation SYSOP—SYStem OPerator TASC—The Analytic Sciences Corporation Tb—Terabytes TBD—To Be Determined TC—Technical Computing TCIPO—TOGA COARE International Project Office TCM—Tropical Cyclone Motion TCP—Transmission Control Protocol TCP/IP—Transmission Control Protocol/Internet Protocol TDRSS—Tracking and Data Relay Satellite System TES—Tropospheric Emission Spectrometer (EOS) TESAC—TEmperature-SAlinity-Currents TIP—TIROS Information Processor (POES) TIROS—Television InfraRed Observation Satellite TLA—Three-Letter Acronym TMR—TOPEX Microwave Radiometer (EOS) TN—Technical Note TOGA—Tropical Ocean and Global Atmosphere (WCRP) TOMS—Total Ozone Mapping Spectrometer TOPEX—TOPographic EXperiment TOS—TIROS Operational Satellite TOVS—TIROS Operational Vertical Sounder TPC—Tropical Prediction Center (incl. NHC; NWS Center) TPW—Total Precipitable Water TRAGEX—TRAce Gas EXchange: Mid-latitude terrestrial ecosystems & atmosphere (IGAC) TRMM—Tropical Rainfall Measuring Mission TSR—Terminate and Stay Resident program TSR—Thermal and Solar Radiometer TWERLE—Tropical Wind, Energy conversion and Reference Level Experiment UA—Upper Air observation UARS—Upper Atmosphere Research Satellite UART—Universal Asynchronous Receiver Transmitter UAV—Unmanned Aerospace Vehicle UCAR—University Corporation for Atmospheric Research udres—Unidata resource library (not cap.) UFO—Unidentified Flying Object UHF—Ultra High Frequency UI—University of Illinois UIR—University/Industry Research (UW-Madison)) UIUC—University of Illinois at Urbana-Champaign UK—United Kingdom ULTRIX—Berkeley UNIX 4.2 (DEC) UN—United Nations UNAVCO—University NAVstar COnsortium UNCED—UN Conference on Environment and Development UNEP—United Nations Environment Program UNESCO—United Nations Educational, Scientific and Cultural Organization UnESS—University-class Earth System Science (NASA) UNIX—not an acronym, a play on MULTIX (TM, AT&T) UPC—Unidata Program Center UPI—United Press International UPS—Uninterruptible Power Supply URL—Universal Resource Locator (Internet) USAF—United States Air Force USAKA—United States Army Kwajalein Atoll USDA—U.S. Department of Agriculture USGS—U.S. Geological Survey USPS—U.S. Postal Service USRA—Universities Space Research Association USSR—Union of Soviet Socialist Republics (up to September 1991) USSR—Union of Sovereign Socialist Republics (after September 1991) UTC—Universal Coordinated Time (replaces GMT) UTH—Upper Tropospheric relative Humidity UV—UltraViolet V—Volts VAB—Vehicle Assembly Building (KSC) VAC—Volts Alternating Current VAFB—Vandenberg Air Force Base VAS—VISSR Atmospheric Sounder (launch, 9-9-80) VAX—Virtual Address eXtension VCP—Venus Composition Probe VCR—Video Cassette Recorder VDT—Video Display Terminal VDUC—VAS Data Utilization Center VEEGA—Venus-Earth-Earth Gravity Assist (Galileo) VGA—Video Graphics Array (IBM) VHF—Very High Frequency VIL—Volume Imaging Lidar VIPS—VDUC Interactive Processing System Vis5D—Visualization of Five-Dimensional data VisAD—Visualization for Algorithm Development VISIT—Virtual Institute for Satellite Integration Training (NWS) VISSR—Visible and Infrared Spin-Scan Radiometer VLBI—Very Long Baseline Interferometry VLF—Very Low Frequency VM—Virtual Machine VMS—Virtual Memory Systems VOC—Volatile Organic Compound VOCAR—Variation of Coastal Atmospheric Refractivity (Navy) VORTEX—Verification Of Tornadoes EXperiment VRML—Virtual Reality Modeling Language VROOM—Virtual Reality ROOM (SIGGRAPH) VTPR—Vertical Temperature Profile Radiometer (ITOS) VTR—VideoTape Recorder WARF—Wisconsin Alumni Research Foundation WCP—World Climate Programme WCRP—World Climate Research Program (WMO/ICSU) WCSAR—Wisconsin Center for Space Automation & Robotics (UW-MSN, Coll.Eng.) WF-ABBA—WildFire ABBA WFF—Wallops Flight Facility (NASA) WFO—Weather Forecast Office (NWS) WFPC—Wide Field and Planetary Camera (HST) WG—Working Group WHOI—Woods Hole Oceanographic Institution WIMO—WMO International Meteorological Organization WINCE—WINter Cloud Experiment Windii—Wind Doppler Imaging Interferometer (UARS) WISC-T2000—Wisconsin Snow Ice-Terra 2000 WISE—Wisconsin Initiative for Space Education WISP—Wide-field Imaging Survey Polarimeter (SAL) WISP—Winter Icing and Storms Project WIYN—Wisconsin-Indiana-Yale-NOAO consortium w/m2—watt per meter squared WME—Wisconsin Model Engine WMO—World Meteorological Organization (UN) WOCE—World Ocean Circulation Experiment (WCRP) WPOP—Winds Product Oversight Panel (NESDIS) WPR—Wisconsin Public Radio WPS—Wisconsin Physicians Service WRF—Weather Research Forecast model WSGC—Wisconsin Space Grant Consortium WSI—Weather Services International WSMC—Western Space and Missile Center WUPPE—Wisconsin Ultraviolet PhotoPolarimeter Experiment WVIOP—Water Vapor Intensive Observing Period WWII—World War II WWW—WIDE WORD Workstation (TM, DataRam) WWW—World Weather Watch WWW—World Wide Web WXP—Weather Processor (Unidata/Purdue University) XBSS—X-ray Background Survey Spectrometer XBT—eXpendable BathyThermograph XGKS—X-window Graphics Kernel System (Unidata) XIE—X-ray Imaging Experiment XRAP—X-windows Radar Analysis Processing X-Term—X-windows Terminal Ynot—software from MacDonald Dettwiler (Unidata) Y2K—Year 2000 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ANSI ASC X12N - A Acronym Dictionary AAMVA American Association of Motor Vehicle Administrator AAPRO American Association Of Preferred Provider Organizations ABI Automated Broker Interface ACER Annual Contractor Evaluation Report ACH Automated Clearing House ACORD Agency-Company Organization for Research and Development ACPE American Council on Pharmaceutical Education ACPS Advanced Claims Processing System ACR American College of Radiology ACR/NEMA ACR/National Electrical Manufacturers Association ACS American College of Surgeons ADA American Dental Association ADMD Administration Management Domain ADP Automated Data Processing ADR Alternate Dispute Resolution AEVCS Automated Eligibility Verification Claims Submission AFEHCT Association for Electronic Health Care Transactions AFT Automated Funds Transfer AGPA American Group Practice Association AGPAM American Guild of Patient Account Managers AHA American Hospital Association AHCPR Agency for Health Care Policy and Research AHIMA American Health Information Management Association AHP Accountable Health Plan AIAG Automobile Industry Action Group AIPSO Auto Insurance Plans Service Office AISO Auto Insurance Services Group AMA American Medical Association AMCR Association for Managed Care Review AMCRA American Managed Care and Review Association AMP Automated Medical Payment AMRA American Medical Records Association ANA Article Numbering Association ANSI American National Standards Institute AOA American Osteopathic Association APG Ambulatory Patient Groups API Applications Program Interface ARPA Advanced Research Projects Agency ARU Audio Response Unit ASAP American Society for Automation in Pharmacy also, Analytic Systems Automated Purchasing ASC Accredited Standards Committees also, Ambulatory Surgical Center ASCII American Standard Code for Information Interchange ASHMM American Society for Hospital Materials Managers ASN Advanced Shipment Notice ASTM American Society of Testing Materials ATA Airline Transportation Association ATG Alignment Task Group ATM Asynchronous Transfer Mode also, Automated Teller Machine B BCBSA Blue Cross and Blue Shield Association BPS Bits Per Second BRMA Brokers and Reinsurance Markets Association BSC Binary Synchronous Communications BSR Board of Standards Review also, Basic Semantic Repository C CALS Computer Aided Acquisition and Logistics System CAPA Certified Aftermarket Parts Association CAT Catastrophic Claims CBCP Common Business Communications Protocol IQCD Cash Concentration and Disbursement CCITT Consultative Committee for International Telegraph and Telephone CES Clearinghouse Enforceability Services CFR Code of Federal Regulations CHANDUS Civilian Health and Medical Program of the Uniformed Services CHAPS Clearing House Automated Payments System CHIPS Clearing House Interbank Payments System CHMIS Community Health Management Information Systems CHIN Community Health Information Network CHIPAS Community Health Purchasing Alliance CHN Cooperative Healthcare Networks CIAO Construction Industry Action Group CIDX Chemical Industry Data Exchange CIECA Collision Industry Electronic Commerce Association CII Center for Informatization of Industry CISG Convention on the International Sale of Goods CIU Claims Investigative Unit CLASS Claims Acquisition and Submission System CLIA Clinical Laboratory Improvement Amendment CMA Cash Management Association CMP Comprehensive Medical Plans COB Coordination of Benefits COS Corporation for Open Systems CPA Canadian Payments Association also Canadian Petroleum Association CPR Computer-based Patient Record also, Comparative Performance Reports CPRI Computer-based Patient Records Institute, Inc. CPS Characters Per Second CPT Current Procedural Terminology CQAS Carrier Quality Assurance System CR Change Request CRS Commercially Reasonable Security CSA Canadian Standards Association CSI Customer Satisfaction Index CTP Corporate Trade Payment CTX Corporate Trade Exchange CUIG Credit Union Interchange Group CV Code Value CWF Common Working File DCN Document Control Number DDT Data Device Integration DE Data Element DEA Drug Enforcement Agency DES Data Encryption standard DEX/UCS Direct Exchange UCS DFI Depository Financial Institution DISA Data Interchange Standards Association, Inc. DISH Data Interchange for Shipping DLTG Delegate Liaison Task Group DM Data Maintenance DIWERC Durable Medical Equipment Regional Carriers DMTF Desktop Management Task Force DMV Department of Motor Vehicles DOB Date of Birth DOD Department of Defense DOE Direct Order Entry DRP Distribution Requirements Planning also, Direct Repair Program DSD Direct Store Delivery DSTU Draft Standard for Trial Use DTTU Draft Transaction for Trial Use DUR Drug Use/Utilization Reviews DVR Data Validation Reviews E EACH Essential Access Community Hospital EBCDIC Extended Binary Coded Decimal Interchange Code EC Electronic Commerce also, European Community ECE Economic Commission of Europe ECF Extended Care Facility ECR Efficient Consumer Response EDCD UN/EDIFACT Composite Data Elements Directory EDCL UN/EDIFACT Code Lists EDED UN/EDIFACT Data Elements Directory EDI Electronic Data Interchange EDIA Electronic Data Interchange Association EDICA Electronic Data Interchange Council of Australia EDEPACT Electronic Data Interchange for Administration, Commerce and Transportation EDIFICE Electronic Data Interchange Forum for Companies Interested in Computing and Electronics EDIM Electronic Data Interchange Message EDIX Electronics Industry Data Exchange EDM Electronic Document Management EDMD UN/EDIFACT Standard Message Types Directory EDSD UN/EDIFACT Standard Data Segments Directory EDPAF Electronic Data Processing Auditors Foundation EDS Electronic Data Systems EDX Electronic Data Exchange EEC European Economic Community EFT Electronic Funds Transfer EHNAC Electronic Healthcare Network Accreditation Commission EIAJ Electronic Industry Association of Japan EIDX Electronic Industry Data Exchange EIN Employer Identification Number EIS Executive Information System EMail Electronic Mail EMC Electronic Media Claims EOB Explanation of Benefits EOQ Economic Order Quantity EPA Environmental Protection Agency EPP EDEFACT Project Proposal EPSDT Early Periodic Screening Diagnostic Testing ERA Electronic Remittance Advise ERISA Employee Retirement Security Income Act ERM Electronic Record Management ERS Evaluated Receipts Settlement ESDE Environmental Safety Data Exchange ESG EDIFACT Steering Group ESRD End Stage Renal Dialysis F FA Functional Acknowledgment FACP Final Administrative Cost Proposal FAHS Federation of American Health System FARs Federal Acquisition Regulations FASB Financial Accounting Standards Board FCPA Foreign Corrupt Practices Act FDDI Fiber Distribution Data Interface FDO Free Determining Official FPS Federal Information Processing Standard FMC Federal Maritime Commission FN Forward Notification FOIA Freedom of Information Act FQHC Federally Qualified Health Center FTAM File Transfer, Access and Management FTP File Transfer Protocol FTS Federal Telecommunications System G GAAP Generally Accepted Accounting Principles GAAS Generally Accepted Auditing Standards GAO General Accounting Office GHAA Group Health Association of America GOSIP Government Open Systems Interconnection Profile GSA General Services Administration GUS Geographic Underwriting System H HCAD Health Care Administrators HCFA Health Care Financing Administration HCIN Healthcare Information Network HCPCS HCFA Common Procedure Coding System HCPR Health Care Provider Records HCRIS Hospital Cost Report Information System HCUP-3 Healthcare Cost and Utilization Project, 1988 - 1994 HDC HCFA Data Center HEDIC Health Electronic Data Interchange Corporation HEDIS Health Plan and Employer Data and Information Set HEDITP Healthcare Electronic Data Interchange Trading Partner HFMA Healthcare Financial Management Association HHS Department of Health and Human Services HIAA Health Insurance Association of America HIBCC Health Industry Business Communications Council HIDA Health Industry Distributors Association HIE Health Insurance Enrollment HIMA Health Industry Manufacturers Association HIMR Health Insurance Master Record HIMSS Health Information and Management Systems Society HIN Health Industry Number HIPC Health Insurance Purchasing Cooperative HIS Hospital Information System HISPP Health Informatics System Planning Panel HL7 Health Level 7 HMO Health Maintenance Organization HPSA Healthcare Professional Shortage Area I IA Interchange Agreement IAG Industry Action Group IAIABC International Association of Industrial Accident Boards and Commissions IATA International Airline Transport Association ICC international Chamber of Commerce ICD-9 International Classification of Diseases, 9th Revision ICED Index of Co-Existent Disease ICF Intermediate Care Facility ICN Internal Control Number ICOPS Industry Committee for Office Products Standard IDEA International Data Exchange Association IDMA Insurance Data Management Association IEC International Electrotechnical Committee IEDI International Electronic Data Interchange IEEE Institute of Electrical and Electronic Engineers IES Inter-Enterprise System Clearing House IETF Internet Engineering Task Force IFTM International Forwarding and Transport Framework IGP Individual Group Practice IHCEBI Interactive Health Care Eligibility Benefits Inquiry IHCEBR Interactive Health Care Eligibility Benefits Response III Insurance Information Institute IMG International Medical Graduates INS International Network Services IP Internet Protocol IPMS Interpersonal Messaging Services IPT International Project Team IRC International Record Carrier ISDN Integrated Services Digital Network ISO International Standards Organization ISSB Information Systems Standards Board ISV Independent Software Vendors ITS Inter-Plan Teleprocessing System IV Initialization Vector IVANS Insurance Value Added Network Service IXRDA Independent X-Ray Dealers Association J JAD Joint Application Development JCAHO Joint Commission on the Accreditation of Health Organizations JEDI Joint Electronic Data Interchange JIT Just In Time JRT Joint Rapporteur Team JTC I Joint Technical Committee I JTCIEDI Joint Technical Committee for EDI K L LAN Local Area Network LATA Local Area and Transport Area LIMNET London Insurance Market Network LIMRA Life Insurance Marketing and Research Association LOI Letter of Intent LRC Longitudinal Redundancy Check M MAAC Maximum Allowable Actual Charge MAC Message Authentication Code also, Maximum Allowable Cost MAF Medical Assisted Facility MBA Mortgage Bankers Association MCO Managed Care Organization MDD Maximum Daily Dose MDG Message Design Guidelines Group MDN Managed Data Networks MEWA Multiple Employer Welfare Arrangements MGMA Medical Group Management Association MHS Message Handling System MMIS Materials Management Information System MNP Microcom Network Protocol MOMA Message-Oriented Middleware Association MOU Memo of Understanding MPI Medicare Provider Identifier MPIES Medicare Physician Identification and Eligibility System MS Message Stores MSDS Materials Safety Data Sheets also, Message Standards Development Subcommittee MTA Message Transfer Agent MTS Medicare Transaction System N NABP National Association of Boards of Pharmacy NACHA National Automated Clearing House Association NACM National Association of Credit Managers NAEB North American EDIFACT Board NAGS National Auto Glass Specifications, Inc, NAHDO National Association of Health Data Organizations NAIC National Association of Insurance Commissioners NAII National Association of Independent insurers NAK Negative Acknowledgement NAMES National Association of Medical Equipment Suppliers NAAGC National Association of Mutual Insurance Companies NARA National Archives and Records Administration NATB National Auto Theft, Bureau (now called NICB) NBS National Bureau of Standards NCCI National Council of Compensation Insurance NCHS National Center for Health Statistics NCOIL National Conference of Insurance Log4lators NCP Network Control Program NCPDP National Council for Prescription Drug Programs NCQA National Committee for Quality Assurance NCSL National Computer Standards Laboratory NCVHS National Committee for Vital & Health Statistics NDM Network Data Mover NEIC National Electronic Information Corporation NEX/UCS Network Exchange UCS NHCAA National Health Care Anti-Fraud Association NICB National Insurance Crime Bureau NIST National Institute for Standards of Technology OCTOBER 1997 29 NMR New Message Request NMVTIS National Motor Vehicle Title Information System NN Negative Notification NOPA National Office Products Association NPF National Provider File NPI National Provider Identifier NSA National Security Agency NSC National Supplier Clearinghouse NSF National Standard Format NTFHR National Task Force on Healthcare Reform NUBC National Uniform Billing Committee NWC National Workers Compensation Reinsurance Pool NWDA National Wholesale Druggists Association O O&P Organization and Procedures OBRA Omnibus Budger Reconciliation Act OCE Open Collaborative Environment OCHAMPUS Office of Civilian Health and Medical Program of the Uniformed Services OCR Optical Character Recognition ODETTE Organization for Data Exchange Through Teletransmission OFTP ODETTE File Transfer Protocol OIG Office of Inspector General OLTP On-Line Transaction Processing OM Outcome Measurement OMB Office of Management and Budget OMC Office of Managed Care OMG Object Management Group OPM Organization and Procedure Manual OPOP Office of Provider Operations and Procedures OSCAR Online Survey and Certification and Reporting System OSI Open Systems Interconnection OTP Originating Trading Partner P&C Property and Casualty PAD Packet Assembler/Dissembler PAEB Pan American EDIFACT Board PBM Pharmacy Benefit Managers PCS Property Claims Services PDAU Physical Delivery Access Unit PEB Provider Electronic Billing Pedi Protocol for EDI PIDX Petroleum Industry Data Exchange PIN Personal Identification Number PIP Personal Injury Protection also, Periodic Interim Payment PMA Pharmaceutical Manufacturers Association PMS Practice Management System PN Positive Notification POS Point of Sale also, Point of Service PP Project Proposal PPO Preferred Provider Organization PPSN Public Packet Switched Network PRB Procedures Review Board PS&R Provider Statistics and Reporting System PSTN Public Switched Telephone Network PTT Post Telephone Telegraph Administration Q QAP Quality Assurance Program QR Quick Response R RA Remittance Advice RAA Reinsurance Association of America RBRVS Resource Based Relative Value Scale RDES Regional Data Exchange System RHHI Regional Home Health Intermediary RIMS Reconsideration Information System RINET Reinsurance and Insurance Network ROM Regional Office Manual also, Read-Only Memory RPCH Rural Primary Care Hospital RRC Rural Referral Center RT Rapporteur's Advisory and Support Team RTP Receiving Trading Partner RUG Resource Utilization Group S SCC-JTC/EDI Standards Council of Canada Joint Technical Committee on EDI SCM Shipping Container Marking SDG Syntax Development Group SDLC Synchronous Data Link Communication SDO Standards Developing Organization SDS Switched Digital Service. SITA Systeme Internationale Transport Aeronautique SIU Special Investigative Unit SLA Service Level Agreement SMA State Medicaid Agencies SMDS Switched Multimegabit Data Services SNA System Network Architecture SNI SNA Network Interconnect SNADS System Network Architecture Distribution Service SNW Simple Network Management Protocol SONET Synchronous Optical Network SPBA Society of Professional Benefit Administrators SPIN Standard Prescriber Identification Number SPTG Special Task Group SPWG Special Work Group SSN Social Security Number SWIFT Society for Worldwide Interbank Financial Telecommunications T T3POS Transaction Processing Protocol for Point of Sale TA Technical Assessment TAG Technical Advisory Group also, Technical Assessment Groups TCIF Telecommunication Industry Forum TCP/IP Transmission Control Protocol Internet Protocol TCP/IP FTP Transmission Control Protocol/Internet Protocol - File Transfer Protocol TCS Trusted Computer System TDCC Transportation Data Coordinating Committee TDF Transborder Data Flow TDI Trade Data Interchange Also, Trading Data Interchange TDI-AP Trade Data Interchange - Applications Protocol TEDIS Trade Electronic Data Interchange Systems TG Task Group TICD UN/ Draft Interactive Composite Data Elements Directory for UN/EDIFACT TIMD UN/ Draft Interactive Messages Directory for UN/EDIFACT TIN Tax Identification Number TP Trading Partner TPA Third Party Administrators also, Trading Partner Agreement TPSP Third Party Service Provider TR Technical Report TRACS Trauma Registry of the American College of Surgeons TDED UN/EDIFACT Trade Data Element Directory TS Transaction Set TSTS Transaction Switching and Transport Service U UA User Agent UCC Uniform Code Council UCFTF Uniform Claim Form Task Force UCR Usual, Customary, and Reasonable UCS Uniform Communications Standard UN/ECE United Nations Economic Commission for Europe UN/EDIFACT United Nations Electronic Data Interchange for Administration, Commerce, and Trade UN/GTDI UN/EDIFACT Guidelines for Trade Data Interchange UN/ISO United Nations International Standards Organization UNCID Uniform Rules of Conduct for Interchange of Trade Data by Teletransmission UNID Unique National Identifier UNJEDI United Nations Joint Electronic Data Interchange UNSIM UNEFACT Standard Interactive Message UNSM United Nations Standard Message UNTDED United Nations Trade Data Elements Directory UNTDID United Nations Trade Data Interchange Directory UPC Uniform Product Code UPIN Unique Physician Identification Number UPC Uniform Product Code UPS Uninterruptable Power Supply URAC Utilization Review Accreditation Commission URO Utilization Review Organization USNC United States National Committee V VAB Value Added Bank VAD Value Added Distributor VAN Value Added Network VAR Value Added Reseller VICS Voluntary Industry Communications Standard VIVM Vendor Independent Messaging Interface W WWW World Wide Web WEDI Work Group for Electronic Data Interchange WG Work Group WNS Warehouse Information Network Standard X X12C Communications and Controls X12E Product Data X12F Finance X12G Government X12H Materials Management X12I Transportation X12J Technical Assessment X12K Purchasing X12L Industry Standards Transition X12M Distribution and Warehousing X12N Insurance ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Acronym Dictionary - www.wpc-edi.com A AAHAM American Association of Healthcare Administrative Management AAMVA American Association of Motor Vehicle Administrator AAPRO American Association Of Preferred Provider Organizations ABI Automated Broker Interface ACER Annual Contractor Evaluation Report ACH Automated Clearing House ACORD Agency-Company Organization for Research and Development ACPE American Council on Pharmaceutical Education ACPS Advanced Claims Processing System ACR American College of Radiology ACR/NEMA ACR/National Electrical Manufacturers Association ACS American College of Surgeons ADA American Dental Association ADMD Administration Management Domain ADP Automated Data Processing ADR Alternate Dispute Resolution AEVCS Automated Eligibility Verification Claims Submission AFEHCT Association for Electronic Health Care Transactions AFT Automated Funds Transfer AGPA American Group Practice Association AGPAM American Guild of Patient Account Managers AHA American Hospital Association AHCPR Agency for Health Care Policy and Research AHIMA American Health Information Management Association AHP Accountable Health Plan AIAG Automobile Industry Action Group AIPSO Auto Insurance Plans Service Office AISO Auto Insurance Services Group AMA American Medical Association AMCR Association for Managed Care Review AMCRA American Managed Care and Review Association AMP Automated Medical Payment AMRA American Medical Records Association ANA Article Numbering Association ANSI American National Standards Institute AOA American Osteopathic Association APG Ambulatory Patient Groups API Applications Program Interface ARPA Advanced Research Projects Agency ARU Audio Response Unit ASAP American Society for Automation in Pharmacy also, Analytic Systems Automated Purchasing ASC Accredited Standards Committees also, Ambulatory Surgical Center ASCII American Standard Code for Information Interchange ASHMM American Society for Hospital Materials Managers ASN Advanced Shipment Notice ASTM American Society of Testing Materials ATA Airline Transportation Association ATG Alignment Task Group ATM Asynchronous Transfer Mode also, Automated Teller Machine B BCBSA Blue Cross and Blue Shield Association BPS Bits Per Second BRMA Brokers and Reinsurance Markets Association BSC Binary Synchronous Communications BSR Board of Standards Review also, Basic Semantic Repository C CALS Computer Aided Acquisition and Logistics System CAPA Certified Aftermarket Parts Association CAT Catastrophic Claims CBCP Common Business Communications Protocol IQCD Cash Concentration and Disbursement CCITT Consultative Committee for International Telegraph and Telephone CES Clearinghouse Enforceability Services CFR Code of Federal Regulations CHANDUS Civilian Health and Medical Program of the Uniformed Services CHAPS Clearing House Automated Payments System CHIPS Clearing House Interbank Payments System CHMIS Community Health Management Information Systems CHIN Community Health Information Network CHIPAS Community Health Purchasing Alliance CHN Cooperative Healthcare Networks CIAO Construction Industry Action Group CIDX Chemical Industry Data Exchange CIECA Collision Industry Electronic Commerce Association CII Center for Informatization of Industry CISG Convention on the International Sale of Goods CIU Claims Investigative Unit CLASS Claims Acquisition and Submission System CLIA Clinical Laboratory Improvement Amendment CMA Cash Management Association CMP Comprehensive Medical Plans COB Coordination of Benefits COS Corporation for Open Systems CPA Canadian Payments Association also Canadian Petroleum Association CPR Computer-based Patient Record also, Comparative Performance Reports CPRI Computer-based Patient Records Institute, Inc. CPS Characters Per Second CPT Current Procedural Terminology CQAS Carrier Quality Assurance System CR Change Request CRS Commercially Reasonable Security CSA Canadian Standards Association CSI Customer Satisfaction Index CTP Corporate Trade Payment CTX Corporate Trade Exchange CUIG Credit Union Interchange Group CV Code Value CWF Common Working File D DCN Document Control Number DDT Data Device Integration DE Data Element DEA Drug Enforcement Agency DES Data Encryption standard DEX/UCS Direct Exchange UCS DFI Depository Financial Institution DISA Data Interchange Standards Association, Inc. DISH Data Interchange for Shipping DLTG Delegate Liaison Task Group DM Data Maintenance DIWERC Durable Medical Equipment Regional Carriers DMTF Desktop Management Task Force DMV Department of Motor Vehicles DOB Date of Birth DOD Department of Defense DOE Direct Order Entry DRP Distribution Requirements Planning also, Direct Repair Program DSD Direct Store Delivery DSTU Draft Standard for Trial Use DTTU Draft Transaction for Trial Use DUR Drug Use/Utilization Reviews DVR Data Validation Reviews E EACH Essential Access Community Hospital EBCDIC Extended Binary Coded Decimal Interchange Code EC Electronic Commerce also, European Community ECE Economic Commission of Europe ECF Extended Care Facility ECR Efficient Consumer Response EDCD UN/EDIFACT Composite Data Elements Directory EDCL UN/EDIFACT Code Lists EDED UN/EDIFACT Data Elements Directory EDI Electronic Data Interchange EDIA Electronic Data Interchange Association EDICA Electronic Data Interchange Council of Australia EDEPACT Electronic Data Interchange for Administration, Commerce and Transportation EDIFICE Electronic Data Interchange Forum for Companies Interested in Computing and Electronics EDIM Electronic Data Interchange Message EDIX Electronics Industry Data Exchange EDM Electronic Document Management EDMD UN/EDIFACT Standard Message Types Directory EDSD UN/EDIFACT Standard Data Segments Directory EDPAF Electronic Data Processing Auditors Foundation EDS Electronic Data Systems EDX Electronic Data Exchange EEC European Economic Community EFT Electronic Funds Transfer EHNAC Electronic Healthcare Network Accreditation Commission EIAJ Electronic Industry Association of Japan EIDX Electronic Industry Data Exchange EIN Employer Identification Number EIS Executive Information System EMail Electronic Mail EMC Electronic Media Claims EOB Explanation of Benefits EOQ Economic Order Quantity EPA Environmental Protection Agency EPP EDEFACT Project Proposal EPSDT Early Periodic Screening Diagnostic Testing ERA Electronic Remittance Advise ERISA Employee Retirement Security Income Act ERM Electronic Record Management ERS Evaluated Receipts Settlement ESDE Environmental Safety Data Exchange ESG EDIFACT Steering Group ESRD End Stage Renal Dialysis F FA Functional Acknowledgment FACP Final Administrative Cost Proposal FAHS Federation of American Health System FARs Federal Acquisition Regulations FASB Financial Accounting Standards Board FCPA Foreign Corrupt Practices Act FDDI Fiber Distribution Data Interface FDO Free Determining Official FPS Federal Information Processing Standard FMC Federal Maritime Commission FN Forward Notification FOIA Freedom of Information Act FQHC Federally Qualified Health Center FTAM File Transfer, Access and Management FTP File Transfer Protocol FTS Federal Telecommunications System G GAAP Generally Accepted Accounting Principles GAAS Generally Accepted Auditing Standards GAO General Accounting Office GHAA Group Health Association of America GOSIP Government Open Systems Interconnection Profile GSA General Services Administration GUS Geographic Underwriting System H HCAD Health Care Administrators HCFA Health Care Financing Administration HCIN Healthcare Information Network HCPCS HCFA Common Procedure Coding System HCPR Health Care Provider Records HCRIS Hospital Cost Report Information System HCUP-3 Healthcare Cost and Utilization Project, 1988 - 1994 HDC HCFA Data Center HEDIC Health Electronic Data Interchange Corporation HEDIS Health Plan and Employer Data and Information Set HEDITP Healthcare Electronic Data Interchange Trading Partner HFMA Healthcare Financial Management Association HHS Department of Health and Human Services HIAA Health Insurance Association of America HIBCC Health Industry Business Communications Council HIDA Health Industry Distributors Association HIE Health Insurance Enrollment HIMA Health Industry Manufacturers Association HIMR Health Insurance Master Record HIMSS Health Information and Management Systems Society HIN Health Industry Number HIPC Health Insurance Purchasing Cooperative HIS Hospital Information System HISPP Health Informatics System Planning Panel HL7 Health Level 7 HMO Health Maintenance Organization HPSA Healthcare Professional Shortage Area I IA Interchange Agreement IAG Industry Action Group IAIABC International Association of Industrial Accident Boards and Commissions IATA International Airline Transport Association ICC international Chamber of Commerce ICD-9 International Classification of Diseases, 9th Revision ICED Index of Co-Existent Disease ICF Intermediate Care Facility ICN Internal Control Number ICOPS Industry Committee for Office Products Standard IDEA International Data Exchange Association IDMA Insurance Data Management Association IEC International Electrotechnical Committee IEDI International Electronic Data Interchange IEEE Institute of Electrical and Electronic Engineers IES Inter-Enterprise System Clearing House IETF Internet Engineering Task Force IFTM International Forwarding and Transport Framework IGP Individual Group Practice IHCEBI Interactive Health Care Eligibility Benefits Inquiry IHCEBR Interactive Health Care Eligibility Benefits Response III Insurance Information Institute IMG International Medical Graduates INS International Network Services IP Internet Protocol IPMS Interpersonal Messaging Services IPT International Project Team IRC International Record Carrier ISDN Integrated Services Digital Network ISO International Standards Organization ISSB Information Systems Standards Board ISV Independent Software Vendors ITS Inter-Plan Teleprocessing System IV Initialization Vector IVANS Insurance Value Added Network Service IXRDA Independent X-Ray Dealers Association J JAD Joint Application Development JCAHO Joint Commission on the Accreditation of Health Organizations JEDI Joint Electronic Data Interchange JIT Just In Time JRT Joint Rapporteur Team JTC I Joint Technical Committee I JTCIEDI Joint Technical Committee for EDI K L LAN Local Area Network LATA Local Area and Transport Area LIMNET London Insurance Market Network LIMRA Life Insurance Marketing and Research Association LOI Letter of Intent LRC Longitudinal Redundancy Check M MAAC Maximum Allowable Actual Charge MAC Message Authentication Code also, Maximum Allowable Cost MAF Medical Assisted Facility MBA Mortgage Bankers Association MCO Managed Care Organization MDD Maximum Daily Dose MDG Message Design Guidelines Group MDN Managed Data Networks MEWA Multiple Employer Welfare Arrangements MGMA Medical Group Management Association MHS Message Handling System MMIS Materials Management Information System MNP Microcom Network Protocol MOMA Message-Oriented Middleware Association MOU Memo of Understanding MPI Medicare Provider Identifier MPIES Medicare Physician Identification and Eligibility System MS Message Stores MSDS Materials Safety Data Sheets also, Message Standards Development Subcommittee MTA Message Transfer Agent MTS Medicare Transaction System N NABP National Association of Boards of Pharmacy NACHA National Automated Clearing House Association NACM National Association of Credit Managers NAEB North American EDIFACT Board NAGS National Auto Glass Specifications, Inc, NAHDO National Association of Health Data Organizations NAIC National Association of Insurance Commissioners NAII National Association of Independent insurers NAK Negative Acknowledgement NAMES National Association of Medical Equipment Suppliers NAAGC National Association of Mutual Insurance Companies NARA National Archives and Records Administration NATB National Auto Theft, Bureau (now called NICB) NBS National Bureau of Standards NCCI National Council of Compensation Insurance NCHS National Center for Health Statistics NCOIL National Conference of Insurance Log4lators NCP Network Control Program NCPDP National Council for Prescription Drug Programs NCQA National Committee for Quality Assurance NCSL National Computer Standards Laboratory NCVHS National Committee for Vital & Health Statistics NDM Network Data Mover NEIC National Electronic Information Corporation NEX/UCS Network Exchange UCS NHCAA National Health Care Anti-Fraud Association NICB National Insurance Crime Bureau NIST National Institute for Standards of Technology NMR New Message Request NMVTIS National Motor Vehicle Title Information System NN Negative Notification NOPA National Office Products Association NPF National Provider File NPI National Provider Identifier NSA National Security Agency NSC National Supplier Clearinghouse NSF National Standard Format NTFHR National Task Force on Healthcare Reform NUBC National Uniform Billing Committee NWC National Workers Compensation Reinsurance Pool NWDA National Wholesale Druggists Association O O&P Organization and Procedures OBRA Omnibus Budger Reconciliation Act OCE Open Collaborative Environment OCHAMPUS Office of Civilian Health and Medical Program of the Uniformed Services OCR Optical Character Recognition ODETTE Organization for Data Exchange Through Teletransmission OFTP ODETTE File Transfer Protocol OIG Office of Inspector General OLTP On-Line Transaction Processing OM Outcome Measurement OMB Office of Management and Budget OMC Office of Managed Care OMG Object Management Group OPM Organization and Procedure Manual OPOP Office of Provider Operations and Procedures OSCAR Online Survey and Certification and Reporting System OSI Open Systems Interconnection OTP Originating Trading Partner P P&C Property and Casualty PAD Packet Assembler/Dissembler PAEB Pan American EDIFACT Board PBM Pharmacy Benefit Managers PCS Property Claims Services PDAU Physical Delivery Access Unit PEB Provider Electronic Billing Pedi Protocol for EDI PIDX Petroleum Industry Data Exchange PIN Personal Identification Number PIP Personal Injury Protection also, Periodic Interim Payment PMA Pharmaceutical Manufacturers Association PMS Practice Management System PN Positive Notification POS Point of Sale also, Point of Service PP Project Proposal PPO Preferred Provider Organization PPSN Public Packet Switched Network PRB Procedures Review Board PS&R Provider Statistics and Reporting System PSTN Public Switched Telephone Network PTT Post Telephone Telegraph Administration Q QAP Quality Assurance Program QR Quick Response R RA Remittance Advice RAA Reinsurance Association of America RBRVS Resource Based Relative Value Scale RDES Regional Data Exchange System RHHI Regional Home Health Intermediary RIMS Reconsideration Information System RINET Reinsurance and Insurance Network ROM Regional Office Manual also, Read-Only Memory RPCH Rural Primary Care Hospital RRC Rural Referral Center RT Rapporteur's Advisory and Support Team RTP Receiving Trading Partner RUG Resource Utilization Group S SCC-JTC/EDI Standards Council of Canada Joint Technical Committee on EDI SCM Shipping Container Marking SDG Syntax Development Group SDLC Synchronous Data Link Communication SDO Standards Developing Organization SDS Switched Digital Service. SITA Systeme Internationale Transport Aeronautique SIU Special Investigative Unit SLA Service Level Agreement SMA State Medicaid Agencies SMDS Switched Multimegabit Data Services SNA System Network Architecture SNI SNA Network Interconnect SNADS System Network Architecture Distribution Service SNW Simple Network Management Protocol SONET Synchronous Optical Network SPBA Society of Professional Benefit Administrators SPIN Standard Prescriber Identification Number SPTG Special Task Group SPWG Special Work Group SSN Social Security Number SWIFT Society for Worldwide Interbank Financial Telecommunications T T3POS Transaction Processing Protocol for Point of Sale TA Technical Assessment TAG Technical Advisory Group also, Technical Assessment Groups TCIF Telecommunication Industry Forum TCP/IP Transmission Control Protocol Internet Protocol TCP/IP FTP Transmission Control Protocol/Internet Protocol - File Transfer Protocol TCS Trusted Computer System TDCC Transportation Data Coordinating Committee TDF Transborder Data Flow TDI Trade Data Interchange Also, Trading Data Interchange TDI-AP Trade Data Interchange - Applications Protocol TEDIS Trade Electronic Data Interchange Systems TG Task Group TICD UN/ Draft Interactive Composite Data Elements Directory for UN/EDIFACT TIMD UN/ Draft Interactive Messages Directory for UN/EDIFACT TIN Tax Identification Number TP Trading Partner TPA Third Party Administrators also, Trading Partner Agreement TPSP Third Party Service Provider TR Technical Report TRACS Trauma Registry of the American College of Surgeons TDED UN/EDIFACT Trade Data Element Directory TS Transaction Set TSTS Transaction Switching and Transport Service U UA User Agent UCC Uniform Code Council UCFTF Uniform Claim Form Task Force UCR Usual, Customary, and Reasonable UCS Uniform Communications Standard UN/ECE United Nations Economic Commission for Europe UN/EDIFACT United Nations Electronic Data Interchange for Administration, Commerce, and Trade UN/GTDI UN/EDIFACT Guidelines for Trade Data Interchange UN/ISO United Nations International Standards Organization UNCID Uniform Rules of Conduct for Interchange of Trade Data by Teletransmission UNID Unique National Identifier UNJEDI United Nations Joint Electronic Data Interchange UNSIM UNEFACT Standard Interactive Message UNSM United Nations Standard Message UNTDED United Nations Trade Data Elements Directory UNTDID United Nations Trade Data Interchange Directory UPC Uniform Product Code UPIN Unique Physician Identification Number UPC Uniform Product Code UPS Uninterruptable Power Supply URAC Utilization Review Accreditation Commission URO Utilization Review Organization USNC United States National Committee V VAB Value Added Bank VAD Value Added Distributor VAN Value Added Network VAR Value Added Reseller VICS Voluntary Industry Communications Standard VIVM Vendor Independent Messaging Interface W WWW World Wide Web WEDI Work Group for Electronic Data Interchange WG Work Group WNS Warehouse Information Network Standard X X12C Communications and Controls X12E Product Data X12F Finance X12G Government X12H Materials Management X12I Transportation X12J Technical Assessment X12K Purchasing X12L Industry Standards Transition X12M Distribution and Warehousing X12N Insurance ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Dictionary Xcellweb A List of Xcellweb Features plus a collection of Internet expressions Anonymous FTP A system of computers and databases tracking information of FTP servers throughout the world. ASCII American Standard Code for Information Interchange. A 7-bit character code that can represent 128 characters, some of which are control characters used for communications control and are not printable. Arabic Indexing Allows Xcellweb clients to have searchable web pages in Arabic language. ASP (Active Server Page) supporting the standard Microsoft ASP components such as the AdRotator, and Content Linker. XcellWeb has standardized on ServerObjects' components because of their high level of stability and functionality. XcellWeb is committed to hosting any components developers wish to use for their applications as long as the component(s) meet standards for stability and security. Attribute A property of an HTML element; specified in the start tag of the element. Audio Streaming The ability to play audio as it is being received as opposed to downloading an entire audio file and launching an audio player. Authentication Verification of a person's identity or a processes validity. Authoring Used in the context as creating World Wide Web documents. Autoresponder (Infobots) An automatic response to an e-mail inquiry generated by the mail server that is programmed to acknowledge receipt of an e-mail request. This can be used to send additional information about a specific product or service. Avatar A graphic or pictorial representation of a user in a 3-D chat area. Usually chosen by each user, the avatar can be an animal or caricature. AVI (Audio Video interleaved) A Microsoft multimedia file format. AVR Automatic Voice Recognition Backbone A high speed centralized network connecting smaller independent networks. Backdoor Refers to the "private entrance" around the security in a program or network used by programmers or technicians to perform maintenance or gain entry. Bandwidth The range of frequencies (data) a transmission line can carry and defined in bit\s (BPS). The larger the bandwidth, the greater the information capacity of a channel. Banner An online advertising graphic. Baud A unit of transmission/receiving speed, expressed in terms of the number of different signal events per second. It is the same as bit/s, when it is used to transmit a single bit of data. bcc Blind Carbon Copy. To send an e-mail where the addressee does not see that the letter was also sent to a third party. Binary file Any file that is not plain, ASCII text. For example: executable files, graphic files and compressed (ZIP) files. Bit (contraction of binary digit) A single unit of information that has two values, 0 or 1. BITNet "Because It's Time" Network. An academic computer network that provides interactive electronic mail and file transfer services, using a store-and-forward protocol. BITNet hosts are not on the Internet per se, but are reachable by email through BITNet to Internet gateways. Bounce The return of a piece of mail because of an error in the delivery process. Mail can be bounced for various reasons. "Bounce" can also refer to the message indicating the error (informal usage). Bookmark Marking the location OF an Internet address for quick reference. bps Bits per second. Measurement of digital information transmission rates. Broadband Any network (or frequency) that multiplexes different independent network carriers into a single cable or channel. Broadcast The simultaneous transmission of like data from one to many destinations, one to all. Brochureware A slang term for websites where companies have done little more than scan their companies brochures and mounted them on their web pages. This is the first step many businesses take while learning to market on the Internet. Browser A software program for observing the World Wide Web; synonym for a Web client. BTW An abbreviation for "By The Way". Bulletin Board System (BBS) A computer, and associated hardware, which typically provides electronic messaging services, archives of files and any other services or activities of interest to the bulletin board system's operator. Many BBS's are currently operated by government, educational and research institutions. Although BBS's have traditionally been the domain of hobbyists, an increasing number of BBS's are connected to the Internet. The majority, however, are still reachable only via a direct modem-to-modem connection over a phone line. Bulk E-mail E-mail sent to multiple addresses in one huge mailing. Usually referring to a UCE bombing or SPAM. Byte Eight bits forming a unit of data. Typically, each byte stores one character (letter or number). C (and/or C+, C++) The name of a programming language so called because many features derived from an earlier compiler named `B' in commemoration of its parent, BCPL. Before Bjarne Stroustrup settled the question by designing C++, there was a humorous debate over whether C's successor should be named `D' or `P'. C is now the dominant language in systems and microcomputer applications programming. Careware Shareware for which either the author suggests that some payment be made to a nominated charity or a levy directed to charity is included on top of the distribution charge. Cache A temporary storage bin in memory and on your hard drive. Browsers stash the contents from pages that have been downloaded in the event they are called upon to be displayed again. CCI (Common Client Interface) Allows Web clients to communicate with external viewers or other applications. CERN Centre Europeen pour la Recherche Nucleaire. The European laboratory for particle physics, where the Web originated in 1989. (See http://www.iso.ch/) CGI (Common Gateway Interface) A standard for programs to interface with Web servers. CGI-BIN (bin - short for binary) The name of a directory on a web server in which CGI programs are usually stored. Channel The basic unit of discussion on IRC. Once one joins a channel, others read everything one types on that channel. Channels can either be named with numbers or with strings that begin with a `#' sign and can have topic descriptions (which are generally irrelevant to the actual subject of discussion). Clickable Map Another name for an imagemap. Client A software program that requests information or services from another software application, a server, and displays this information in a form required by its hardware platform. Client/server A front-end client and a back end server allows multiple workstations (client) to access the same server at the same time over the LAN. The Internet is a global client/server network. The goal of such a design is to off-load as much processing as possible to the desktop leaving the shared information at the server. Clipboard A temporary staging area for copied information stored in memory. The clipboard stores information until you copy another or you exit Windows. Cold Fusion XcellWeb Servers support Cold Fusion tags. See also http://www.allaire.com Confidence factor The factor by which a search engine rates the relevance or results of a keyword query. Connectivity The access method through which one is connected to the Internet. Connectivity choices are increasing rapidly. Cookie A handle or transaction identifier, or other token of agreement between cooperating programs. Cookies were introduced by Netscape to preserve state information on the browser. This permits a site to recognize you on subsequent visits. Shopping cart programs can record each item you have collect as you navigate through a site. When done shopping, the web page can use all of your accumulated cookies to calculate the charge. Some people believe that any site you connect to can read all the cookies on your disk. However, only the site that issued the cookie can read it. Corel Draw A very popular suite of graphics programs. CPM Advertising term meaning cost per one thousand sightings or impressions. Cracker A cracker is an individual who attempts to access computer systems without authorization. These people are often malicious, as opposed to hackers, and have many means at their disposal for breaking into a system. CSS (Cascading Style Sheets) a World Wide Web Consortium specification for designing layout and style elements of a web page. It permits you to control the appearance of fonts, colors, sizes, etc. throughout the entire site by referencing one master page. FrontPage 98 does this by assisting you with the "Themes" option. CTR (Click Through Rate) Advertising term indicating the percentage of viewers who click on a banner advertisement and follow the link. Ctrl C - (Control C) The keyboard command to copy text or graphics selected (highlighted) by the cursor to the computers temporary RAM memory. Ctrl V - (Control V) The keyboard command to paste an object stored in RAM memory into an open application such as a paint program or word processor. Cybercitizens Citizens of the Internet, Net heads, Netizens. Cybermall An online shopping mall . Cyberspace A term coined by William Gibson in his SF novel Neuromancer (1984) to describe the interconnected "world" of computers and the society that gathers around them. Today, cyberspace is the Internet and the tens of thousands of computers and networks that make up the Net. - D Daemon [from the mythological meaning, later rationalized as the acronym `Disk And Execution MONitor'] A program that is not invoked explicitly, but lies dormant waiting for some condition(s) to occur. The idea is that the perpetrator of the condition need not be aware that a daemon is lurking (though often a program will commit an action only because it knows that it will implicitly invoke a daemon). Data Transfer Per Month Cumulative total of data that is transferred over the web site each month. Dial-up Account Account with an Internet Service Provider that utilizes a telephone call to a modem (rather than a dedicated data line). DARPA The Defense Advanced Research Projects Agency (now the Defense Information Systems Agency) initiated the DARPA Internet program in 1969. This network which was called an "CATENET" was the precursor to the modern Internet. Dialer A program that establishes and maintains your connection to the Internet, as well as provides Winsock support. Popular dialers include Trumpet Winsock and the Windows '95 Dial up Networking. Dialup A temporary connection between machines established with modems over a standard phone line. Digital Cash Electronic cash or bank account. Automatic payroll deposits in your bank are examples of digital cash. Disk Storage Amount of disk space available for programming. Discussion Forum A place on your web site where visitors can exchange their views on a certain subject. DNS (Domain Name Service) The Internet's distributed database system used to map names with the appropriate IP address. The DNS is a general-purpose distributed, replicated, data query service. The principal use is the lookup of host IP addresses based on host names. The style of host names now used in the Internet is called "domain name", because they are the style of names used to look up anything in the DNS. Some important domains are .COM (commercial), .NET (network), .EDU (educational), .GOV (government) and .MIL (military). Most countries also have a domain. For example, .US (United States), .UK (United Kingdom) and .AU (Australia). Domain Name The alphabetic name for a computer host; this name is mapped to the computer's numeric Internet Protocol (lP) address. Download Copying files from another computer to your own computer over a communications link. DPI (Dots Per Inch) The spatial resolution of a graphics image, how many dots per inch in a graphic image determine the quality of output. A high-end printer can produce 600 - 1200+ DPI while a computer monitor is only 72 DPI. DTD (Document Type Definition) A specification for a mark-up language. EDI (Electronic Data Interchange) The exchange of information through the use of an electronic (and usually secure) messaging system. EFF (Electronic Frontier Foundation - http://www.eff.org) is a non-profit civil liberties organization working in the public interest to protect privacy, free expression, and access to public resources and information online, as well as to promote responsibility in new media. Founded in July of 1990, the Electronic Frontier Foundation (EFF) is dedicated to finding ways to resolve these and other conflicts while ensuring that essential civil liberties are protected. Element A unit of structure in an HTML document; many elements have start and stop tags; some have just a single tag; some elements can contain other elements. E-mail Electronic Mail. The exchange of messages via networked computers to an e-mail address. E-mail allows attaching and sending of other files. Email Address The domain-based address that is used to send electronic mail to a specified destination. For example, "firstname.lastname@example.org" is the email address for the user support of the xcellweb.com domain. E-mail Forwarding Automated forwarding of E-mail messages delivered to an established e-mail address. E-mail Autoresponding Automated e-mail response to messages received at a specified e-mail address E-mall An electronic shopping mall. Emoticon E-mail emotions, or faces that you insert to express moods. Examples: Smiley face :-) or unhappy face :-( Ethernet The most common LAN transmission network. Explorer (Internet Explorer) Microsoft's web browser Exposures The number of times a viewer sees an advertising banner. Extranet A close relative of an Intranet with the difference being that remote company offices not confined to the corporate location can utilize the Intranet via the Internet. FAQ An acronym for Frequently Asked Questions. FDDI (Fiber Distributed Data Interface) A fiber-based token-passing LAN technology standardized by ANSI, with dual counter-rotating rings. Each ring carries information at the rate of 100 Mbits. Filtering An automatic method of screening e-mail messages as they are downloaded from the Internet. An e-mail client can be instructed to deposit (file or trash) qualifying e-mail messages in various folders as they are received. A filter can look at keywords, addresses, domains, subject matter, size, etc. Finger An Internet tool used to locate people on other Internet sites. Firewall A gateway between two networks that screens and buffers information passing between the networks. Flame To post an email message intended to insult and provoke. Flame Bait A posting intended to trigger a flame war, or one that invites flames in reply. Form HTML element that allows users to fill in information and submit it for processing. Frames An HTML programming option that permits a web page to be subdivided into smaller sections of varying size. The "windows" can have no relevance to each other or, they can be hyper-linked to each other. Frame relay A communications interface that provides high-speed packet transmission with minimum delay and efficient use of bandwidth. It assumes that all connections are reliable and does not have error detection or control which helps to speed up the protocol. Freeware Software that is free but still copyright protected. Front Page 98 extensions XcellWeb servers support sites made with Microsoft's Front Page 98 and its new extensions. see also http://www.microsoft.com/frontpage FTP (File Transfer Protocol) A means to exchange files across a network. GIF (Graphics Interchange Format) A storage format for images; can be used as an inline image in an HTML document. Gopher A protocol for disseminating information on the Internet using a system of menus; items in the menus can be links to other documents, searches, or links to other information services. Graphical Browser A Web client that displays inline images and fonts and that usually offers mouse-based point-and-click operation. GUI (Graphical User Interface) Pronounced "gooey", a navigational command or menu interface designed to be selfexplanatory and easy to use by pointing and clicking on text selections and icons. The Windows GUI interface, although originally pioneered in the 1970s by Xerox, is now the de-facto standard for American business. Hacker A person who delights in having an intimate understanding of the internal workings of a system, computers and computer networks in particular. Hardware Type of server acting as a host server. HDML (Handheld Device Markup Language) A developing programming language for a new class of cellular (wireless) communications. Header Information that appears across the top of e-mail messages, and newsgroup articles. The header usually contains data about the sender, date message was created, the computer path the message traveled through and other information used for managing the message. Hex Code The binary code name for the color used in html. Hit A request from a browser for a single item from a web server. An overused term when discussing traffic on a website, e.g. "We get 500,000 hits per month." Calling one page from a server could result in dozens of "hits" because each graphic is interpreted as a hit. In reality, counting only the "index.htm" page or "default.htm" page would be a more accurate gauge of traffic. Home Page A place on the web for any person or organization on the Internet to display information to anyone else who wants to see it. A company, for example, could put the entire contents of their brochure, or annual statement, or technical support manual on the Web as a home page. Host Any computer on the Internet is referred to as a host. HotJava A Web browser capable of executing applets written in the Java programming language. Hotspot The region of displayed hypertext that, when selected, links the user to another point in the hypertext or another resource. HTML (HyperText Mark-up Language) The mechanism used to create Web pages; Web browsers display these pages according to a browser-defined rendering scheme. HTML Tag Indicates document structure, elements, formatting and links to other documents. HTML Tags also allow use of other media within a document Example -
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